Home / 477,028.44-715,367.70-139,982.58

Finding the Fourth Proportional to 477,028.44, 715,367.70 and 139,982.58

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Solution

The fourth proportional to 477,028.44, 715,367.70 and 139,982.58 is: 209,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,028.44 : 715,367.70 = 139,982.58 : x
  2. Step 2: Convert to fraction form
    477,028.44/715,367.70 = 139,982.58/x
  3. Step 3: Cross multiply
    477,028.44x = 715,367.70 × 139,982.58
  4. Step 4: Simplify right side
    477,028.44x = 100,139,016,294.67
  5. Step 5: Solve for x
    x = 100,139,016,294.67/477,028.44
  6. Step 6: Final answer
    x = 209,922.53

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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.