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Finding the Fourth Proportional to 283,503.20, 425,254.80 and 171,528.80

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Solution

The fourth proportional to 283,503.20, 425,254.80 and 171,528.80 is: 257,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,503.20 : 425,254.80 = 171,528.80 : x
  2. Step 2: Convert to fraction form
    283,503.20/425,254.80 = 171,528.80/x
  3. Step 3: Cross multiply
    283,503.20x = 425,254.80 × 171,528.80
  4. Step 4: Simplify right side
    283,503.20x = 72,943,445,538.24
  5. Step 5: Solve for x
    x = 72,943,445,538.24/283,503.20
  6. Step 6: Final answer
    x = 257,293.20

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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.