Home / 253,899.16-380,433.21-154,089.95

Finding the Fourth Proportional to 253,899.16, 380,433.21 and 154,089.95

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Solution

The fourth proportional to 253,899.16, 380,433.21 and 154,089.95 is: 230,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,899.16 : 380,433.21 = 154,089.95 : x
  2. Step 2: Convert to fraction form
    253,899.16/380,433.21 = 154,089.95/x
  3. Step 3: Cross multiply
    253,899.16x = 380,433.21 × 154,089.95
  4. Step 4: Simplify right side
    253,899.16x = 58,620,931,827.24
  5. Step 5: Solve for x
    x = 58,620,931,827.24/253,899.16
  6. Step 6: Final answer
    x = 230,882.73

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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.