Home / 385,134.14-577,734.32-100,823.54

Finding the Fourth Proportional to 385,134.14, 577,734.32 and 100,823.54

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Solution

The fourth proportional to 385,134.14, 577,734.32 and 100,823.54 is: 151,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,134.14 : 577,734.32 = 100,823.54 : x
  2. Step 2: Convert to fraction form
    385,134.14/577,734.32 = 100,823.54/x
  3. Step 3: Cross multiply
    385,134.14x = 577,734.32 × 100,823.54
  4. Step 4: Simplify right side
    385,134.14x = 58,249,216,685.28
  5. Step 5: Solve for x
    x = 58,249,216,685.28/385,134.14
  6. Step 6: Final answer
    x = 151,243.97

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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.