Home / 237,479.88-327,719.78-128,582.35

Finding the Fourth Proportional to 237,479.88, 327,719.78 and 128,582.35

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Solution

The fourth proportional to 237,479.88, 327,719.78 and 128,582.35 is: 177,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,479.88 : 327,719.78 = 128,582.35 : x
  2. Step 2: Convert to fraction form
    237,479.88/327,719.78 = 128,582.35/x
  3. Step 3: Cross multiply
    237,479.88x = 327,719.78 × 128,582.35
  4. Step 4: Simplify right side
    237,479.88x = 42,138,977,493.83
  5. Step 5: Solve for x
    x = 42,138,977,493.83/237,479.88
  6. Step 6: Final answer
    x = 177,442.30

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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.