Home / 385,358.11-577,639.86-160,849.20

Finding the Fourth Proportional to 385,358.11, 577,639.86 and 160,849.20

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Solution

The fourth proportional to 385,358.11, 577,639.86 and 160,849.20 is: 241,107.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,358.11 : 577,639.86 = 160,849.20 : x
  2. Step 2: Convert to fraction form
    385,358.11/577,639.86 = 160,849.20/x
  3. Step 3: Cross multiply
    385,358.11x = 577,639.86 × 160,849.20
  4. Step 4: Simplify right side
    385,358.11x = 92,912,909,369.11
  5. Step 5: Solve for x
    x = 92,912,909,369.11/385,358.11
  6. Step 6: Final answer
    x = 241,107.96

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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.