Home / 410,685.52-566,739.88-229,400.72

Finding the Fourth Proportional to 410,685.52, 566,739.88 and 229,400.72

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Solution

The fourth proportional to 410,685.52, 566,739.88 and 229,400.72 is: 316,569.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,685.52 : 566,739.88 = 229,400.72 : x
  2. Step 2: Convert to fraction form
    410,685.52/566,739.88 = 229,400.72/x
  3. Step 3: Cross multiply
    410,685.52x = 566,739.88 × 229,400.72
  4. Step 4: Simplify right side
    410,685.52x = 130,010,536,524.71
  5. Step 5: Solve for x
    x = 130,010,536,524.71/410,685.52
  6. Step 6: Final answer
    x = 316,569.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.