Home / 291,649.50-437,535.30-123,170.31

Finding the Fourth Proportional to 291,649.50, 437,535.30 and 123,170.31

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Solution

The fourth proportional to 291,649.50, 437,535.30 and 123,170.31 is: 184,781.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,649.50 : 437,535.30 = 123,170.31 : x
  2. Step 2: Convert to fraction form
    291,649.50/437,535.30 = 123,170.31/x
  3. Step 3: Cross multiply
    291,649.50x = 437,535.30 × 123,170.31
  4. Step 4: Simplify right side
    291,649.50x = 53,891,358,536.94
  5. Step 5: Solve for x
    x = 53,891,358,536.94/291,649.50
  6. Step 6: Final answer
    x = 184,781.25

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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.