Home / 385,195.46-577,319.94-216,360.86

Finding the Fourth Proportional to 385,195.46, 577,319.94 and 216,360.86

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Solution

The fourth proportional to 385,195.46, 577,319.94 and 216,360.86 is: 324,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,195.46 : 577,319.94 = 216,360.86 : x
  2. Step 2: Convert to fraction form
    385,195.46/577,319.94 = 216,360.86/x
  3. Step 3: Cross multiply
    385,195.46x = 577,319.94 × 216,360.86
  4. Step 4: Simplify right side
    385,195.46x = 124,909,435,826.95
  5. Step 5: Solve for x
    x = 124,909,435,826.95/385,195.46
  6. Step 6: Final answer
    x = 324,275.47

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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.