Home / 291,948.60-437,885.17-92,289.13

Finding the Fourth Proportional to 291,948.60, 437,885.17 and 92,289.13

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Solution

The fourth proportional to 291,948.60, 437,885.17 and 92,289.13 is: 138,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,948.60 : 437,885.17 = 92,289.13 : x
  2. Step 2: Convert to fraction form
    291,948.60/437,885.17 = 92,289.13/x
  3. Step 3: Cross multiply
    291,948.60x = 437,885.17 × 92,289.13
  4. Step 4: Simplify right side
    291,948.60x = 40,412,041,379.20
  5. Step 5: Solve for x
    x = 40,412,041,379.20/291,948.60
  6. Step 6: Final answer
    x = 138,421.77

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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.