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Finding the Fourth Proportional to 401,999.11, 602,906.58 and 239,938.88

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Solution

The fourth proportional to 401,999.11, 602,906.58 and 239,938.88 is: 359,853.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,999.11 : 602,906.58 = 239,938.88 : x
  2. Step 2: Convert to fraction form
    401,999.11/602,906.58 = 239,938.88/x
  3. Step 3: Cross multiply
    401,999.11x = 602,906.58 × 239,938.88
  4. Step 4: Simplify right side
    401,999.11x = 144,660,726,535.30
  5. Step 5: Solve for x
    x = 144,660,726,535.30/401,999.11
  6. Step 6: Final answer
    x = 359,853.35

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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.