Home / 342,271.38-472,132.62-214,725.54

Finding the Fourth Proportional to 342,271.38, 472,132.62 and 214,725.54

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Solution

The fourth proportional to 342,271.38, 472,132.62 and 214,725.54 is: 296,194.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,271.38 : 472,132.62 = 214,725.54 : x
  2. Step 2: Convert to fraction form
    342,271.38/472,132.62 = 214,725.54/x
  3. Step 3: Cross multiply
    342,271.38x = 472,132.62 × 214,725.54
  4. Step 4: Simplify right side
    342,271.38x = 101,378,931,781.12
  5. Step 5: Solve for x
    x = 101,378,931,781.12/342,271.38
  6. Step 6: Final answer
    x = 296,194.59

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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.