Home / 291,947.04-437,986.08-92,279.04

Finding the Fourth Proportional to 291,947.04, 437,986.08 and 92,279.04

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Solution

The fourth proportional to 291,947.04, 437,986.08 and 92,279.04 is: 138,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,947.04 : 437,986.08 = 92,279.04 : x
  2. Step 2: Convert to fraction form
    291,947.04/437,986.08 = 92,279.04/x
  3. Step 3: Cross multiply
    291,947.04x = 437,986.08 × 92,279.04
  4. Step 4: Simplify right side
    291,947.04x = 40,416,934,995.76
  5. Step 5: Solve for x
    x = 40,416,934,995.76/291,947.04
  6. Step 6: Final answer
    x = 138,439.27

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1.5x scale

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.