Home / 219,423.30-329,134.95-202,316.10

Finding the Fourth Proportional to 219,423.30, 329,134.95 and 202,316.10

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Solution

The fourth proportional to 219,423.30, 329,134.95 and 202,316.10 is: 303,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,423.30 : 329,134.95 = 202,316.10 : x
  2. Step 2: Convert to fraction form
    219,423.30/329,134.95 = 202,316.10/x
  3. Step 3: Cross multiply
    219,423.30x = 329,134.95 × 202,316.10
  4. Step 4: Simplify right side
    219,423.30x = 66,589,299,457.70
  5. Step 5: Solve for x
    x = 66,589,299,457.70/219,423.30
  6. Step 6: Final answer
    x = 303,474.15

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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.