Home / 510,143.10-765,185.13-194,631.90

Finding the Fourth Proportional to 510,143.10, 765,185.13 and 194,631.90

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Solution

The fourth proportional to 510,143.10, 765,185.13 and 194,631.90 is: 291,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,143.10 : 765,185.13 = 194,631.90 : x
  2. Step 2: Convert to fraction form
    510,143.10/765,185.13 = 194,631.90/x
  3. Step 3: Cross multiply
    510,143.10x = 765,185.13 × 194,631.90
  4. Step 4: Simplify right side
    510,143.10x = 148,929,435,703.65
  5. Step 5: Solve for x
    x = 148,929,435,703.65/510,143.10
  6. Step 6: Final answer
    x = 291,936.59

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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.