Home / 292,025.52-437,931.36-142,220.88

Finding the Fourth Proportional to 292,025.52, 437,931.36 and 142,220.88

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Solution

The fourth proportional to 292,025.52, 437,931.36 and 142,220.88 is: 213,279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,025.52 : 437,931.36 = 142,220.88 : x
  2. Step 2: Convert to fraction form
    292,025.52/437,931.36 = 142,220.88/x
  3. Step 3: Cross multiply
    292,025.52x = 437,931.36 × 142,220.88
  4. Step 4: Simplify right side
    292,025.52x = 62,282,983,398.80
  5. Step 5: Solve for x
    x = 62,282,983,398.80/292,025.52
  6. Step 6: Final answer
    x = 213,279.25

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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.