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Finding the Fourth Proportional to 449,222.37, 619,929 and 245,277.42

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Solution

The fourth proportional to 449,222.37, 619,929 and 245,277.42 is: 338,484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,222.37 : 619,929 = 245,277.42 : x
  2. Step 2: Convert to fraction form
    449,222.37/619,929 = 245,277.42/x
  3. Step 3: Cross multiply
    449,222.37x = 619,929 × 245,277.42
  4. Step 4: Simplify right side
    449,222.37x = 152,054,585,703.18
  5. Step 5: Solve for x
    x = 152,054,585,703.18/449,222.37
  6. Step 6: Final answer
    x = 338,484.00

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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.