Home / 206,869.44-285,492-155,792.10

Finding the Fourth Proportional to 206,869.44, 285,492 and 155,792.10

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Solution

The fourth proportional to 206,869.44, 285,492 and 155,792.10 is: 215,002.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,869.44 : 285,492 = 155,792.10 : x
  2. Step 2: Convert to fraction form
    206,869.44/285,492 = 155,792.10/x
  3. Step 3: Cross multiply
    206,869.44x = 285,492 × 155,792.10
  4. Step 4: Simplify right side
    206,869.44x = 44,477,398,213.20
  5. Step 5: Solve for x
    x = 44,477,398,213.20/206,869.44
  6. Step 6: Final answer
    x = 215,002.27

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1.5x scale

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.