Home / 284,209.48-426,314.22-178,766.92

Finding the Fourth Proportional to 284,209.48, 426,314.22 and 178,766.92

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Solution

The fourth proportional to 284,209.48, 426,314.22 and 178,766.92 is: 268,150.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,209.48 : 426,314.22 = 178,766.92 : x
  2. Step 2: Convert to fraction form
    284,209.48/426,314.22 = 178,766.92/x
  3. Step 3: Cross multiply
    284,209.48x = 426,314.22 × 178,766.92
  4. Step 4: Simplify right side
    284,209.48x = 76,210,880,061.60
  5. Step 5: Solve for x
    x = 76,210,880,061.60/284,209.48
  6. Step 6: Final answer
    x = 268,150.38

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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.