Home / 198,000.30-297,000.45-144,856.20

Finding the Fourth Proportional to 198,000.30, 297,000.45 and 144,856.20

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Solution

The fourth proportional to 198,000.30, 297,000.45 and 144,856.20 is: 217,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,000.30 : 297,000.45 = 144,856.20 : x
  2. Step 2: Convert to fraction form
    198,000.30/297,000.45 = 144,856.20/x
  3. Step 3: Cross multiply
    198,000.30x = 297,000.45 × 144,856.20
  4. Step 4: Simplify right side
    198,000.30x = 43,022,356,585.29
  5. Step 5: Solve for x
    x = 43,022,356,585.29/198,000.30
  6. Step 6: Final answer
    x = 217,284.30

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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.