Home / 345,385.90-476,656.95-192,434.14

Finding the Fourth Proportional to 345,385.90, 476,656.95 and 192,434.14

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Solution

The fourth proportional to 345,385.90, 476,656.95 and 192,434.14 is: 265,572.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,385.90 : 476,656.95 = 192,434.14 : x
  2. Step 2: Convert to fraction form
    345,385.90/476,656.95 = 192,434.14/x
  3. Step 3: Cross multiply
    345,385.90x = 476,656.95 × 192,434.14
  4. Step 4: Simplify right side
    345,385.90x = 91,725,070,248.27
  5. Step 5: Solve for x
    x = 91,725,070,248.27/345,385.90
  6. Step 6: Final answer
    x = 265,572.71

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1.5x scale

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.