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Finding the Fourth Proportional to 284,312.98, 426,715.10 and 115,926.13

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Solution

The fourth proportional to 284,312.98, 426,715.10 and 115,926.13 is: 173,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,312.98 : 426,715.10 = 115,926.13 : x
  2. Step 2: Convert to fraction form
    284,312.98/426,715.10 = 115,926.13/x
  3. Step 3: Cross multiply
    284,312.98x = 426,715.10 × 115,926.13
  4. Step 4: Simplify right side
    284,312.98x = 49,467,429,378.59
  5. Step 5: Solve for x
    x = 49,467,429,378.59/284,312.98
  6. Step 6: Final answer
    x = 173,989.35

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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.