Home / 213,200.28-319,450.50-72,882.36

Finding the Fourth Proportional to 213,200.28, 319,450.50 and 72,882.36

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Solution

The fourth proportional to 213,200.28, 319,450.50 and 72,882.36 is: 109,203.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,200.28 : 319,450.50 = 72,882.36 : x
  2. Step 2: Convert to fraction form
    213,200.28/319,450.50 = 72,882.36/x
  3. Step 3: Cross multiply
    213,200.28x = 319,450.50 × 72,882.36
  4. Step 4: Simplify right side
    213,200.28x = 23,282,306,343.18
  5. Step 5: Solve for x
    x = 23,282,306,343.18/213,200.28
  6. Step 6: Final answer
    x = 109,203.92

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1.5x scale

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.