Home / 352,522.13-486,010.73-280,166.60

Finding the Fourth Proportional to 352,522.13, 486,010.73 and 280,166.60

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Solution

The fourth proportional to 352,522.13, 486,010.73 and 280,166.60 is: 386,256.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,522.13 : 486,010.73 = 280,166.60 : x
  2. Step 2: Convert to fraction form
    352,522.13/486,010.73 = 280,166.60/x
  3. Step 3: Cross multiply
    352,522.13x = 486,010.73 × 280,166.60
  4. Step 4: Simplify right side
    352,522.13x = 136,163,975,703.06
  5. Step 5: Solve for x
    x = 136,163,975,703.06/352,522.13
  6. Step 6: Final answer
    x = 386,256.54

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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.