Home / 371,527.93-557,116.24-143,930.15

Finding the Fourth Proportional to 371,527.93, 557,116.24 and 143,930.15

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Solution

The fourth proportional to 371,527.93, 557,116.24 and 143,930.15 is: 215,827.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,527.93 : 557,116.24 = 143,930.15 : x
  2. Step 2: Convert to fraction form
    371,527.93/557,116.24 = 143,930.15/x
  3. Step 3: Cross multiply
    371,527.93x = 557,116.24 × 143,930.15
  4. Step 4: Simplify right side
    371,527.93x = 80,185,821,205.05
  5. Step 5: Solve for x
    x = 80,185,821,205.05/371,527.93
  6. Step 6: Final answer
    x = 215,827.17

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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.