Home / 178,278.46-245,882.55-151,509.58

Finding the Fourth Proportional to 178,278.46, 245,882.55 and 151,509.58

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Solution

The fourth proportional to 178,278.46, 245,882.55 and 151,509.58 is: 208,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,278.46 : 245,882.55 = 151,509.58 : x
  2. Step 2: Convert to fraction form
    178,278.46/245,882.55 = 151,509.58/x
  3. Step 3: Cross multiply
    178,278.46x = 245,882.55 × 151,509.58
  4. Step 4: Simplify right side
    178,278.46x = 37,253,561,833.28
  5. Step 5: Solve for x
    x = 37,253,561,833.28/178,278.46
  6. Step 6: Final answer
    x = 208,962.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.