Home / 284,172.26-426,446.63-156,177.92

Finding the Fourth Proportional to 284,172.26, 426,446.63 and 156,177.92

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Solution

The fourth proportional to 284,172.26, 426,446.63 and 156,177.92 is: 234,370.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,172.26 : 426,446.63 = 156,177.92 : x
  2. Step 2: Convert to fraction form
    284,172.26/426,446.63 = 156,177.92/x
  3. Step 3: Cross multiply
    284,172.26x = 426,446.63 × 156,177.92
  4. Step 4: Simplify right side
    284,172.26x = 66,601,547,664.41
  5. Step 5: Solve for x
    x = 66,601,547,664.41/284,172.26
  6. Step 6: Final answer
    x = 234,370.33

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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.