Home / 283,810.12-391,726.20-170,611

Finding the Fourth Proportional to 283,810.12, 391,726.20 and 170,611

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Solution

The fourth proportional to 283,810.12, 391,726.20 and 170,611 is: 235,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,810.12 : 391,726.20 = 170,611 : x
  2. Step 2: Convert to fraction form
    283,810.12/391,726.20 = 170,611/x
  3. Step 3: Cross multiply
    283,810.12x = 391,726.20 × 170,611
  4. Step 4: Simplify right side
    283,810.12x = 66,832,798,708.20
  5. Step 5: Solve for x
    x = 66,832,798,708.20/283,810.12
  6. Step 6: Final answer
    x = 235,484.20

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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.