Home / 239,431.08-330,453.90-144,034.20

Finding the Fourth Proportional to 239,431.08, 330,453.90 and 144,034.20

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Solution

The fourth proportional to 239,431.08, 330,453.90 and 144,034.20 is: 198,790.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,431.08 : 330,453.90 = 144,034.20 : x
  2. Step 2: Convert to fraction form
    239,431.08/330,453.90 = 144,034.20/x
  3. Step 3: Cross multiply
    239,431.08x = 330,453.90 × 144,034.20
  4. Step 4: Simplify right side
    239,431.08x = 47,596,663,123.38
  5. Step 5: Solve for x
    x = 47,596,663,123.38/239,431.08
  6. Step 6: Final answer
    x = 198,790.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.