Home / 237,479.50-327,717.73-128,582.90

Finding the Fourth Proportional to 237,479.50, 327,717.73 and 128,582.90

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Solution

The fourth proportional to 237,479.50, 327,717.73 and 128,582.90 is: 177,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,479.50 : 327,717.73 = 128,582.90 : x
  2. Step 2: Convert to fraction form
    237,479.50/327,717.73 = 128,582.90/x
  3. Step 3: Cross multiply
    237,479.50x = 327,717.73 × 128,582.90
  4. Step 4: Simplify right side
    237,479.50x = 42,138,896,104.82
  5. Step 5: Solve for x
    x = 42,138,896,104.82/237,479.50
  6. Step 6: Final answer
    x = 177,442.25

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1.5x scale

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.