Home / 291,926.56-437,730.88-131,814.87

Finding the Fourth Proportional to 291,926.56, 437,730.88 and 131,814.87

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Solution

The fourth proportional to 291,926.56, 437,730.88 and 131,814.87 is: 197,650.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,926.56 : 437,730.88 = 131,814.87 : x
  2. Step 2: Convert to fraction form
    291,926.56/437,730.88 = 131,814.87/x
  3. Step 3: Cross multiply
    291,926.56x = 437,730.88 × 131,814.87
  4. Step 4: Simplify right side
    291,926.56x = 57,699,439,042.19
  5. Step 5: Solve for x
    x = 57,699,439,042.19/291,926.56
  6. Step 6: Final answer
    x = 197,650.53

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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.