Home / 402,288.42-602,514.09-192,073.98

Finding the Fourth Proportional to 402,288.42, 602,514.09 and 192,073.98

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Solution

The fourth proportional to 402,288.42, 602,514.09 and 192,073.98 is: 287,672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,288.42 : 602,514.09 = 192,073.98 : x
  2. Step 2: Convert to fraction form
    402,288.42/602,514.09 = 192,073.98/x
  3. Step 3: Cross multiply
    402,288.42x = 602,514.09 × 192,073.98
  4. Step 4: Simplify right side
    402,288.42x = 115,727,279,272.38
  5. Step 5: Solve for x
    x = 115,727,279,272.38/402,288.42
  6. Step 6: Final answer
    x = 287,672.41

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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.