Home / 348,986.16-522,445.84-215,437.04

Finding the Fourth Proportional to 348,986.16, 522,445.84 and 215,437.04

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Solution

The fourth proportional to 348,986.16, 522,445.84 and 215,437.04 is: 322,517.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,986.16 : 522,445.84 = 215,437.04 : x
  2. Step 2: Convert to fraction form
    348,986.16/522,445.84 = 215,437.04/x
  3. Step 3: Cross multiply
    348,986.16x = 522,445.84 × 215,437.04
  4. Step 4: Simplify right side
    348,986.16x = 112,554,185,329.91
  5. Step 5: Solve for x
    x = 112,554,185,329.91/348,986.16
  6. Step 6: Final answer
    x = 322,517.62

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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.