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Finding the Fourth Proportional to 413,271.42, 619,907.13 and 163,953.42

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Solution

The fourth proportional to 413,271.42, 619,907.13 and 163,953.42 is: 245,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,271.42 : 619,907.13 = 163,953.42 : x
  2. Step 2: Convert to fraction form
    413,271.42/619,907.13 = 163,953.42/x
  3. Step 3: Cross multiply
    413,271.42x = 619,907.13 × 163,953.42
  4. Step 4: Simplify right side
    413,271.42x = 101,635,894,045.89
  5. Step 5: Solve for x
    x = 101,635,894,045.89/413,271.42
  6. Step 6: Final answer
    x = 245,930.13

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.