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Finding the Fourth Proportional to 283,681.60, 391,482.29 and 162,819.79

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Solution

The fourth proportional to 283,681.60, 391,482.29 and 162,819.79 is: 224,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,681.60 : 391,482.29 = 162,819.79 : x
  2. Step 2: Convert to fraction form
    283,681.60/391,482.29 = 162,819.79/x
  3. Step 3: Cross multiply
    283,681.60x = 391,482.29 × 162,819.79
  4. Step 4: Simplify right side
    283,681.60x = 63,741,063,674.86
  5. Step 5: Solve for x
    x = 63,741,063,674.86/283,681.60
  6. Step 6: Final answer
    x = 224,692.28

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1.5x scale

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.