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Finding the Fourth Proportional to 436,640.80, 602,521.40 and 245,650.10

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Solution

The fourth proportional to 436,640.80, 602,521.40 and 245,650.10 is: 338,973.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,640.80 : 602,521.40 = 245,650.10 : x
  2. Step 2: Convert to fraction form
    436,640.80/602,521.40 = 245,650.10/x
  3. Step 3: Cross multiply
    436,640.80x = 602,521.40 × 245,650.10
  4. Step 4: Simplify right side
    436,640.80x = 148,009,442,162.14
  5. Step 5: Solve for x
    x = 148,009,442,162.14/436,640.80
  6. Step 6: Final answer
    x = 338,973.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.