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Finding the Fourth Proportional to 352,476.06, 486,427.85 and 207,255.62

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Solution

The fourth proportional to 352,476.06, 486,427.85 and 207,255.62 is: 286,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,476.06 : 486,427.85 = 207,255.62 : x
  2. Step 2: Convert to fraction form
    352,476.06/486,427.85 = 207,255.62/x
  3. Step 3: Cross multiply
    352,476.06x = 486,427.85 × 207,255.62
  4. Step 4: Simplify right side
    352,476.06x = 100,814,902,168.60
  5. Step 5: Solve for x
    x = 100,814,902,168.60/352,476.06
  6. Step 6: Final answer
    x = 286,019.15

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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.