Home / 342,743.04-472,918.14-215,345.04

Finding the Fourth Proportional to 342,743.04, 472,918.14 and 215,345.04

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Solution

The fourth proportional to 342,743.04, 472,918.14 and 215,345.04 is: 297,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,743.04 : 472,918.14 = 215,345.04 : x
  2. Step 2: Convert to fraction form
    342,743.04/472,918.14 = 215,345.04/x
  3. Step 3: Cross multiply
    342,743.04x = 472,918.14 × 215,345.04
  4. Step 4: Simplify right side
    342,743.04x = 101,840,575,775.03
  5. Step 5: Solve for x
    x = 101,840,575,775.03/342,743.04
  6. Step 6: Final answer
    x = 297,133.90

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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.