Home / 718,160.42-1,077,398.18-212,760.90

Finding the Fourth Proportional to 718,160.42, 1,077,398.18 and 212,760.90

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Solution

The fourth proportional to 718,160.42, 1,077,398.18 and 212,760.90 is: 319,188.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,160.42 : 1,077,398.18 = 212,760.90 : x
  2. Step 2: Convert to fraction form
    718,160.42/1,077,398.18 = 212,760.90/x
  3. Step 3: Cross multiply
    718,160.42x = 1,077,398.18 × 212,760.90
  4. Step 4: Simplify right side
    718,160.42x = 229,228,206,169.21
  5. Step 5: Solve for x
    x = 229,228,206,169.21/718,160.42
  6. Step 6: Final answer
    x = 319,188.02

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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.