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Finding the Fourth Proportional to 291,537.78, 437,433.72 and 102,134.01

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Solution

The fourth proportional to 291,537.78, 437,433.72 and 102,134.01 is: 153,245.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,537.78 : 437,433.72 = 102,134.01 : x
  2. Step 2: Convert to fraction form
    291,537.78/437,433.72 = 102,134.01/x
  3. Step 3: Cross multiply
    291,537.78x = 437,433.72 × 102,134.01
  4. Step 4: Simplify right side
    291,537.78x = 44,676,859,932.82
  5. Step 5: Solve for x
    x = 44,676,859,932.82/291,537.78
  6. Step 6: Final answer
    x = 153,245.52

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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.