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Finding the Fourth Proportional to 399,915.60, 600,024.94 and 240,103.16

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Solution

The fourth proportional to 399,915.60, 600,024.94 and 240,103.16 is: 360,245.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,915.60 : 600,024.94 = 240,103.16 : x
  2. Step 2: Convert to fraction form
    399,915.60/600,024.94 = 240,103.16/x
  3. Step 3: Cross multiply
    399,915.60x = 600,024.94 × 240,103.16
  4. Step 4: Simplify right side
    399,915.60x = 144,067,884,172.81
  5. Step 5: Solve for x
    x = 144,067,884,172.81/399,915.60
  6. Step 6: Final answer
    x = 360,245.72

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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.