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Finding the Fourth Proportional to 207,313.56, 310,593.06 and 143,999.92

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Solution

The fourth proportional to 207,313.56, 310,593.06 and 143,999.92 is: 215,737.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,313.56 : 310,593.06 = 143,999.92 : x
  2. Step 2: Convert to fraction form
    207,313.56/310,593.06 = 143,999.92/x
  3. Step 3: Cross multiply
    207,313.56x = 310,593.06 × 143,999.92
  4. Step 4: Simplify right side
    207,313.56x = 44,725,375,792.56
  5. Step 5: Solve for x
    x = 44,725,375,792.56/207,313.56
  6. Step 6: Final answer
    x = 215,737.82

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1.5x scale

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.