Home / 305,442.28-457,979.34-136,932.13

Finding the Fourth Proportional to 305,442.28, 457,979.34 and 136,932.13

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Solution

The fourth proportional to 305,442.28, 457,979.34 and 136,932.13 is: 205,315.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,442.28 : 457,979.34 = 136,932.13 : x
  2. Step 2: Convert to fraction form
    305,442.28/457,979.34 = 136,932.13/x
  3. Step 3: Cross multiply
    305,442.28x = 457,979.34 × 136,932.13
  4. Step 4: Simplify right side
    305,442.28x = 62,712,084,232.30
  5. Step 5: Solve for x
    x = 62,712,084,232.30/305,442.28
  6. Step 6: Final answer
    x = 205,315.67

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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.