Home / 283,397.40-391,075.74-162,451.96

Finding the Fourth Proportional to 283,397.40, 391,075.74 and 162,451.96

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Solution

The fourth proportional to 283,397.40, 391,075.74 and 162,451.96 is: 224,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,397.40 : 391,075.74 = 162,451.96 : x
  2. Step 2: Convert to fraction form
    283,397.40/391,075.74 = 162,451.96/x
  3. Step 3: Cross multiply
    283,397.40x = 391,075.74 × 162,451.96
  4. Step 4: Simplify right side
    283,397.40x = 63,531,020,471.45
  5. Step 5: Solve for x
    x = 63,531,020,471.45/283,397.40
  6. Step 6: Final answer
    x = 224,176.44

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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.