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Finding the Fourth Proportional to 291,948.40, 437,404.20 and 181,010.80

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Solution

The fourth proportional to 291,948.40, 437,404.20 and 181,010.80 is: 271,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,948.40 : 437,404.20 = 181,010.80 : x
  2. Step 2: Convert to fraction form
    291,948.40/437,404.20 = 181,010.80/x
  3. Step 3: Cross multiply
    291,948.40x = 437,404.20 × 181,010.80
  4. Step 4: Simplify right side
    291,948.40x = 79,174,884,165.36
  5. Step 5: Solve for x
    x = 79,174,884,165.36/291,948.40
  6. Step 6: Final answer
    x = 271,194.79

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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.