Home / 666,110.22-998,939.61-216,720.06

Finding the Fourth Proportional to 666,110.22, 998,939.61 and 216,720.06

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Solution

The fourth proportional to 666,110.22, 998,939.61 and 216,720.06 is: 325,006.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,110.22 : 998,939.61 = 216,720.06 : x
  2. Step 2: Convert to fraction form
    666,110.22/998,939.61 = 216,720.06/x
  3. Step 3: Cross multiply
    666,110.22x = 998,939.61 × 216,720.06
  4. Step 4: Simplify right side
    666,110.22x = 216,490,252,215.58
  5. Step 5: Solve for x
    x = 216,490,252,215.58/666,110.22
  6. Step 6: Final answer
    x = 325,006.65

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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.