Home / 285,595.20-427,982.40-160,672.32

Finding the Fourth Proportional to 285,595.20, 427,982.40 and 160,672.32

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Solution

The fourth proportional to 285,595.20, 427,982.40 and 160,672.32 is: 240,777.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,595.20 : 427,982.40 = 160,672.32 : x
  2. Step 2: Convert to fraction form
    285,595.20/427,982.40 = 160,672.32/x
  3. Step 3: Cross multiply
    285,595.20x = 427,982.40 × 160,672.32
  4. Step 4: Simplify right side
    285,595.20x = 68,764,925,127.17
  5. Step 5: Solve for x
    x = 68,764,925,127.17/285,595.20
  6. Step 6: Final answer
    x = 240,777.59

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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.