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Finding the Fourth Proportional to 379,062, 568,595.88 and 129,746.16

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Solution

The fourth proportional to 379,062, 568,595.88 and 129,746.16 is: 194,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,062 : 568,595.88 = 129,746.16 : x
  2. Step 2: Convert to fraction form
    379,062/568,595.88 = 129,746.16/x
  3. Step 3: Cross multiply
    379,062x = 568,595.88 × 129,746.16
  4. Step 4: Simplify right side
    379,062x = 73,773,132,021.82
  5. Step 5: Solve for x
    x = 73,773,132,021.82/379,062
  6. Step 6: Final answer
    x = 194,620.23

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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.