Home / 373,279.12-559,587.12-145,522.24

Finding the Fourth Proportional to 373,279.12, 559,587.12 and 145,522.24

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Solution

The fourth proportional to 373,279.12, 559,587.12 and 145,522.24 is: 218,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,279.12 : 559,587.12 = 145,522.24 : x
  2. Step 2: Convert to fraction form
    373,279.12/559,587.12 = 145,522.24/x
  3. Step 3: Cross multiply
    373,279.12x = 559,587.12 × 145,522.24
  4. Step 4: Simplify right side
    373,279.12x = 81,432,371,177.55
  5. Step 5: Solve for x
    x = 81,432,371,177.55/373,279.12
  6. Step 6: Final answer
    x = 218,154.10

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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.