Home / 409,623.10-614,711.27-143,385.82

Finding the Fourth Proportional to 409,623.10, 614,711.27 and 143,385.82

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Solution

The fourth proportional to 409,623.10, 614,711.27 and 143,385.82 is: 215,175.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,623.10 : 614,711.27 = 143,385.82 : x
  2. Step 2: Convert to fraction form
    409,623.10/614,711.27 = 143,385.82/x
  3. Step 3: Cross multiply
    409,623.10x = 614,711.27 × 143,385.82
  4. Step 4: Simplify right side
    409,623.10x = 88,140,879,512.19
  5. Step 5: Solve for x
    x = 88,140,879,512.19/409,623.10
  6. Step 6: Final answer
    x = 215,175.56

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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.