Home / 269,558.10-403,624.35-216,000.90

Finding the Fourth Proportional to 269,558.10, 403,624.35 and 216,000.90

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Solution

The fourth proportional to 269,558.10, 403,624.35 and 216,000.90 is: 323,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,558.10 : 403,624.35 = 216,000.90 : x
  2. Step 2: Convert to fraction form
    269,558.10/403,624.35 = 216,000.90/x
  3. Step 3: Cross multiply
    269,558.10x = 403,624.35 × 216,000.90
  4. Step 4: Simplify right side
    269,558.10x = 87,183,222,861.92
  5. Step 5: Solve for x
    x = 87,183,222,861.92/269,558.10
  6. Step 6: Final answer
    x = 323,430.17

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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.