Home / 318,729.40-477,982.68-94,030.20

Finding the Fourth Proportional to 318,729.40, 477,982.68 and 94,030.20

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Solution

The fourth proportional to 318,729.40, 477,982.68 and 94,030.20 is: 141,012.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,729.40 : 477,982.68 = 94,030.20 : x
  2. Step 2: Convert to fraction form
    318,729.40/477,982.68 = 94,030.20/x
  3. Step 3: Cross multiply
    318,729.40x = 477,982.68 × 94,030.20
  4. Step 4: Simplify right side
    318,729.40x = 44,944,806,996.94
  5. Step 5: Solve for x
    x = 44,944,806,996.94/318,729.40
  6. Step 6: Final answer
    x = 141,012.43

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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.