Home / 371,868.82-557,492.34-172,332.18

Finding the Fourth Proportional to 371,868.82, 557,492.34 and 172,332.18

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Solution

The fourth proportional to 371,868.82, 557,492.34 and 172,332.18 is: 258,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,868.82 : 557,492.34 = 172,332.18 : x
  2. Step 2: Convert to fraction form
    371,868.82/557,492.34 = 172,332.18/x
  3. Step 3: Cross multiply
    371,868.82x = 557,492.34 × 172,332.18
  4. Step 4: Simplify right side
    371,868.82x = 96,073,870,285.50
  5. Step 5: Solve for x
    x = 96,073,870,285.50/371,868.82
  6. Step 6: Final answer
    x = 258,354.20

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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.