Home / 394,986.42-592,479.63-217,402.02

Finding the Fourth Proportional to 394,986.42, 592,479.63 and 217,402.02

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Solution

The fourth proportional to 394,986.42, 592,479.63 and 217,402.02 is: 326,103.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,986.42 : 592,479.63 = 217,402.02 : x
  2. Step 2: Convert to fraction form
    394,986.42/592,479.63 = 217,402.02/x
  3. Step 3: Cross multiply
    394,986.42x = 592,479.63 × 217,402.02
  4. Step 4: Simplify right side
    394,986.42x = 128,806,268,370.85
  5. Step 5: Solve for x
    x = 128,806,268,370.85/394,986.42
  6. Step 6: Final answer
    x = 326,103.03

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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.