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Finding the Fourth Proportional to 283,503.80, 425,245.01 and 70,272.29

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Solution

The fourth proportional to 283,503.80, 425,245.01 and 70,272.29 is: 105,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,503.80 : 425,245.01 = 70,272.29 : x
  2. Step 2: Convert to fraction form
    283,503.80/425,245.01 = 70,272.29/x
  3. Step 3: Cross multiply
    283,503.80x = 425,245.01 × 70,272.29
  4. Step 4: Simplify right side
    283,503.80x = 29,882,938,186.19
  5. Step 5: Solve for x
    x = 29,882,938,186.19/283,503.80
  6. Step 6: Final answer
    x = 105,405.78

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1.5x scale

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.