Home / 218,613.02-327,965.61-70,857.50

Finding the Fourth Proportional to 218,613.02, 327,965.61 and 70,857.50

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Solution

The fourth proportional to 218,613.02, 327,965.61 and 70,857.50 is: 106,301.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,613.02 : 327,965.61 = 70,857.50 : x
  2. Step 2: Convert to fraction form
    218,613.02/327,965.61 = 70,857.50/x
  3. Step 3: Cross multiply
    218,613.02x = 327,965.61 × 70,857.50
  4. Step 4: Simplify right side
    218,613.02x = 23,238,823,210.58
  5. Step 5: Solve for x
    x = 23,238,823,210.58/218,613.02
  6. Step 6: Final answer
    x = 106,301.19

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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.