Home / 442,207.28-663,441.05-142,682.24

Finding the Fourth Proportional to 442,207.28, 663,441.05 and 142,682.24

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Solution

The fourth proportional to 442,207.28, 663,441.05 and 142,682.24 is: 214,065.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,207.28 : 663,441.05 = 142,682.24 : x
  2. Step 2: Convert to fraction form
    442,207.28/663,441.05 = 142,682.24/x
  3. Step 3: Cross multiply
    442,207.28x = 663,441.05 × 142,682.24
  4. Step 4: Simplify right side
    442,207.28x = 94,661,252,161.45
  5. Step 5: Solve for x
    x = 94,661,252,161.45/442,207.28
  6. Step 6: Final answer
    x = 214,065.34

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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.