Home / 381,434.40-571,787.10-141,484.05

Finding the Fourth Proportional to 381,434.40, 571,787.10 and 141,484.05

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Solution

The fourth proportional to 381,434.40, 571,787.10 and 141,484.05 is: 212,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,434.40 : 571,787.10 = 141,484.05 : x
  2. Step 2: Convert to fraction form
    381,434.40/571,787.10 = 141,484.05/x
  3. Step 3: Cross multiply
    381,434.40x = 571,787.10 × 141,484.05
  4. Step 4: Simplify right side
    381,434.40x = 80,898,754,645.76
  5. Step 5: Solve for x
    x = 80,898,754,645.76/381,434.40
  6. Step 6: Final answer
    x = 212,090.87

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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.