Home / 237,479.94-327,719.87-128,582.41

Finding the Fourth Proportional to 237,479.94, 327,719.87 and 128,582.41

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Solution

The fourth proportional to 237,479.94, 327,719.87 and 128,582.41 is: 177,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,479.94 : 327,719.87 = 128,582.41 : x
  2. Step 2: Convert to fraction form
    237,479.94/327,719.87 = 128,582.41/x
  3. Step 3: Cross multiply
    237,479.94x = 327,719.87 × 128,582.41
  4. Step 4: Simplify right side
    237,479.94x = 42,139,009,227.28
  5. Step 5: Solve for x
    x = 42,139,009,227.28/237,479.94
  6. Step 6: Final answer
    x = 177,442.39

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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.