Home / 238,418.20-357,627.30-72,206.20

Finding the Fourth Proportional to 238,418.20, 357,627.30 and 72,206.20

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Solution

The fourth proportional to 238,418.20, 357,627.30 and 72,206.20 is: 108,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,418.20 : 357,627.30 = 72,206.20 : x
  2. Step 2: Convert to fraction form
    238,418.20/357,627.30 = 72,206.20/x
  3. Step 3: Cross multiply
    238,418.20x = 357,627.30 × 72,206.20
  4. Step 4: Simplify right side
    238,418.20x = 25,822,908,349.26
  5. Step 5: Solve for x
    x = 25,822,908,349.26/238,418.20
  6. Step 6: Final answer
    x = 108,309.30

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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.