Home / 283,402.26-391,091.94-156,075.12

Finding the Fourth Proportional to 283,402.26, 391,091.94 and 156,075.12

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Solution

The fourth proportional to 283,402.26, 391,091.94 and 156,075.12 is: 215,381.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,402.26 : 391,091.94 = 156,075.12 : x
  2. Step 2: Convert to fraction form
    283,402.26/391,091.94 = 156,075.12/x
  3. Step 3: Cross multiply
    283,402.26x = 391,091.94 × 156,075.12
  4. Step 4: Simplify right side
    283,402.26x = 61,039,721,466.53
  5. Step 5: Solve for x
    x = 61,039,721,466.53/283,402.26
  6. Step 6: Final answer
    x = 215,381.91

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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.