Home / 410,947.32-616,561.02-221,427.12

Finding the Fourth Proportional to 410,947.32, 616,561.02 and 221,427.12

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Solution

The fourth proportional to 410,947.32, 616,561.02 and 221,427.12 is: 332,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,947.32 : 616,561.02 = 221,427.12 : x
  2. Step 2: Convert to fraction form
    410,947.32/616,561.02 = 221,427.12/x
  3. Step 3: Cross multiply
    410,947.32x = 616,561.02 × 221,427.12
  4. Step 4: Simplify right side
    410,947.32x = 136,523,330,962.86
  5. Step 5: Solve for x
    x = 136,523,330,962.86/410,947.32
  6. Step 6: Final answer
    x = 332,216.14

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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.