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Finding the Fourth Proportional to 177,410.80, 266,116.20 and 162,895.60

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Solution

The fourth proportional to 177,410.80, 266,116.20 and 162,895.60 is: 244,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,410.80 : 266,116.20 = 162,895.60 : x
  2. Step 2: Convert to fraction form
    177,410.80/266,116.20 = 162,895.60/x
  3. Step 3: Cross multiply
    177,410.80x = 266,116.20 × 162,895.60
  4. Step 4: Simplify right side
    177,410.80x = 43,349,158,068.72
  5. Step 5: Solve for x
    x = 43,349,158,068.72/177,410.80
  6. Step 6: Final answer
    x = 244,343.40

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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.