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Finding the Fourth Proportional to 283,756.90, 425,635.35 and 259,795.30

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Solution

The fourth proportional to 283,756.90, 425,635.35 and 259,795.30 is: 389,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,756.90 : 425,635.35 = 259,795.30 : x
  2. Step 2: Convert to fraction form
    283,756.90/425,635.35 = 259,795.30/x
  3. Step 3: Cross multiply
    283,756.90x = 425,635.35 × 259,795.30
  4. Step 4: Simplify right side
    283,756.90x = 110,578,063,443.86
  5. Step 5: Solve for x
    x = 110,578,063,443.86/283,756.90
  6. Step 6: Final answer
    x = 389,692.95

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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.