Home / 314,440.60-471,660.90-219,962.20

Finding the Fourth Proportional to 314,440.60, 471,660.90 and 219,962.20

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Solution

The fourth proportional to 314,440.60, 471,660.90 and 219,962.20 is: 329,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,440.60 : 471,660.90 = 219,962.20 : x
  2. Step 2: Convert to fraction form
    314,440.60/471,660.90 = 219,962.20/x
  3. Step 3: Cross multiply
    314,440.60x = 471,660.90 × 219,962.20
  4. Step 4: Simplify right side
    314,440.60x = 103,747,569,217.98
  5. Step 5: Solve for x
    x = 103,747,569,217.98/314,440.60
  6. Step 6: Final answer
    x = 329,943.30

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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.