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Finding the Fourth Proportional to 291,014.73, 436,375.36 and 88,572

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Solution

The fourth proportional to 291,014.73, 436,375.36 and 88,572 is: 132,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,014.73 : 436,375.36 = 88,572 : x
  2. Step 2: Convert to fraction form
    291,014.73/436,375.36 = 88,572/x
  3. Step 3: Cross multiply
    291,014.73x = 436,375.36 × 88,572
  4. Step 4: Simplify right side
    291,014.73x = 38,650,638,385.92
  5. Step 5: Solve for x
    x = 38,650,638,385.92/291,014.73
  6. Step 6: Final answer
    x = 132,813.34

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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.