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Finding the Fourth Proportional to 371,356.70, 557,115.01 and 118,577.77

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Solution

The fourth proportional to 371,356.70, 557,115.01 and 118,577.77 is: 177,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,356.70 : 557,115.01 = 118,577.77 : x
  2. Step 2: Convert to fraction form
    371,356.70/557,115.01 = 118,577.77/x
  3. Step 3: Cross multiply
    371,356.70x = 557,115.01 × 118,577.77
  4. Step 4: Simplify right side
    371,356.70x = 66,061,457,630.87
  5. Step 5: Solve for x
    x = 66,061,457,630.87/371,356.70
  6. Step 6: Final answer
    x = 177,892.19

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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.