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Finding the Fourth Proportional to 177,492.74, 266,190.61 and 63,619.32

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Solution

The fourth proportional to 177,492.74, 266,190.61 and 63,619.32 is: 95,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,492.74 : 266,190.61 = 63,619.32 : x
  2. Step 2: Convert to fraction form
    177,492.74/266,190.61 = 63,619.32/x
  3. Step 3: Cross multiply
    177,492.74x = 266,190.61 × 63,619.32
  4. Step 4: Simplify right side
    177,492.74x = 16,934,866,316.38
  5. Step 5: Solve for x
    x = 16,934,866,316.38/177,492.74
  6. Step 6: Final answer
    x = 95,411.60

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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.