Home / 238,145.24-357,228.84-80,375.12

Finding the Fourth Proportional to 238,145.24, 357,228.84 and 80,375.12

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Solution

The fourth proportional to 238,145.24, 357,228.84 and 80,375.12 is: 120,566.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,145.24 : 357,228.84 = 80,375.12 : x
  2. Step 2: Convert to fraction form
    238,145.24/357,228.84 = 80,375.12/x
  3. Step 3: Cross multiply
    238,145.24x = 357,228.84 × 80,375.12
  4. Step 4: Simplify right side
    238,145.24x = 28,712,310,882.46
  5. Step 5: Solve for x
    x = 28,712,310,882.46/238,145.24
  6. Step 6: Final answer
    x = 120,566.39

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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.