Home / 399,972.66-598,484.76-240,145.74

Finding the Fourth Proportional to 399,972.66, 598,484.76 and 240,145.74

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Solution

The fourth proportional to 399,972.66, 598,484.76 and 240,145.74 is: 359,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,972.66 : 598,484.76 = 240,145.74 : x
  2. Step 2: Convert to fraction form
    399,972.66/598,484.76 = 240,145.74/x
  3. Step 3: Cross multiply
    399,972.66x = 598,484.76 × 240,145.74
  4. Step 4: Simplify right side
    399,972.66x = 143,723,565,568.92
  5. Step 5: Solve for x
    x = 143,723,565,568.92/399,972.66
  6. Step 6: Final answer
    x = 359,333.47

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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.