Home / 291,985.20-437,734.80-123,634.80

Finding the Fourth Proportional to 291,985.20, 437,734.80 and 123,634.80

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Solution

The fourth proportional to 291,985.20, 437,734.80 and 123,634.80 is: 185,349.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,985.20 : 437,734.80 = 123,634.80 : x
  2. Step 2: Convert to fraction form
    291,985.20/437,734.80 = 123,634.80/x
  3. Step 3: Cross multiply
    291,985.20x = 437,734.80 × 123,634.80
  4. Step 4: Simplify right side
    291,985.20x = 54,119,254,451.04
  5. Step 5: Solve for x
    x = 54,119,254,451.04/291,985.20
  6. Step 6: Final answer
    x = 185,349.31

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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.