Home / 342,090.03-472,159.17-198,932.65

Finding the Fourth Proportional to 342,090.03, 472,159.17 and 198,932.65

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Solution

The fourth proportional to 342,090.03, 472,159.17 and 198,932.65 is: 274,570.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,090.03 : 472,159.17 = 198,932.65 : x
  2. Step 2: Convert to fraction form
    342,090.03/472,159.17 = 198,932.65/x
  3. Step 3: Cross multiply
    342,090.03x = 472,159.17 × 198,932.65
  4. Step 4: Simplify right side
    342,090.03x = 93,927,874,909.90
  5. Step 5: Solve for x
    x = 93,927,874,909.90/342,090.03
  6. Step 6: Final answer
    x = 274,570.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.