Home / 269,984.43-372,582.45-156,807.18

Finding the Fourth Proportional to 269,984.43, 372,582.45 and 156,807.18

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Solution

The fourth proportional to 269,984.43, 372,582.45 and 156,807.18 is: 216,396.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,984.43 : 372,582.45 = 156,807.18 : x
  2. Step 2: Convert to fraction form
    269,984.43/372,582.45 = 156,807.18/x
  3. Step 3: Cross multiply
    269,984.43x = 372,582.45 × 156,807.18
  4. Step 4: Simplify right side
    269,984.43x = 58,423,603,301.99
  5. Step 5: Solve for x
    x = 58,423,603,301.99/269,984.43
  6. Step 6: Final answer
    x = 216,396.19

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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.