Home / 665,301.40-998,173.33-216,036.92

Finding the Fourth Proportional to 665,301.40, 998,173.33 and 216,036.92

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Solution

The fourth proportional to 665,301.40, 998,173.33 and 216,036.92 is: 324,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,301.40 : 998,173.33 = 216,036.92 : x
  2. Step 2: Convert to fraction form
    665,301.40/998,173.33 = 216,036.92/x
  3. Step 3: Cross multiply
    665,301.40x = 998,173.33 × 216,036.92
  4. Step 4: Simplify right side
    665,301.40x = 215,642,293,794.69
  5. Step 5: Solve for x
    x = 215,642,293,794.69/665,301.40
  6. Step 6: Final answer
    x = 324,127.22

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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.