Home / 284,007.18-426,099.17-84,328.61

Finding the Fourth Proportional to 284,007.18, 426,099.17 and 84,328.61

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Solution

The fourth proportional to 284,007.18, 426,099.17 and 84,328.61 is: 126,519.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,007.18 : 426,099.17 = 84,328.61 : x
  2. Step 2: Convert to fraction form
    284,007.18/426,099.17 = 84,328.61/x
  3. Step 3: Cross multiply
    284,007.18x = 426,099.17 × 84,328.61
  4. Step 4: Simplify right side
    284,007.18x = 35,932,349,241.36
  5. Step 5: Solve for x
    x = 35,932,349,241.36/284,007.18
  6. Step 6: Final answer
    x = 126,519.16

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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.