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Finding the Fourth Proportional to 275,679.90, 413,577.45 and 88,710.30

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Solution

The fourth proportional to 275,679.90, 413,577.45 and 88,710.30 is: 133,083.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,679.90 : 413,577.45 = 88,710.30 : x
  2. Step 2: Convert to fraction form
    275,679.90/413,577.45 = 88,710.30/x
  3. Step 3: Cross multiply
    275,679.90x = 413,577.45 × 88,710.30
  4. Step 4: Simplify right side
    275,679.90x = 36,688,579,662.74
  5. Step 5: Solve for x
    x = 36,688,579,662.74/275,679.90
  6. Step 6: Final answer
    x = 133,083.98

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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.