Home / 291,947.10-437,882.92-92,287.63

Finding the Fourth Proportional to 291,947.10, 437,882.92 and 92,287.63

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Solution

The fourth proportional to 291,947.10, 437,882.92 and 92,287.63 is: 138,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,947.10 : 437,882.92 = 92,287.63 : x
  2. Step 2: Convert to fraction form
    291,947.10/437,882.92 = 92,287.63/x
  3. Step 3: Cross multiply
    291,947.10x = 437,882.92 × 92,287.63
  4. Step 4: Simplify right side
    291,947.10x = 40,411,176,904.28
  5. Step 5: Solve for x
    x = 40,411,176,904.28/291,947.10
  6. Step 6: Final answer
    x = 138,419.52

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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.