Home / 238,236.02-357,278.25-78,275.08

Finding the Fourth Proportional to 238,236.02, 357,278.25 and 78,275.08

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Solution

The fourth proportional to 238,236.02, 357,278.25 and 78,275.08 is: 117,387.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,236.02 : 357,278.25 = 78,275.08 : x
  2. Step 2: Convert to fraction form
    238,236.02/357,278.25 = 78,275.08/x
  3. Step 3: Cross multiply
    238,236.02x = 357,278.25 × 78,275.08
  4. Step 4: Simplify right side
    238,236.02x = 27,965,983,209.63
  5. Step 5: Solve for x
    x = 27,965,983,209.63/238,236.02
  6. Step 6: Final answer
    x = 117,387.72

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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.