Home / 383,822.80-575,734.20-134,472.40

Finding the Fourth Proportional to 383,822.80, 575,734.20 and 134,472.40

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Solution

The fourth proportional to 383,822.80, 575,734.20 and 134,472.40 is: 201,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,822.80 : 575,734.20 = 134,472.40 : x
  2. Step 2: Convert to fraction form
    383,822.80/575,734.20 = 134,472.40/x
  3. Step 3: Cross multiply
    383,822.80x = 575,734.20 × 134,472.40
  4. Step 4: Simplify right side
    383,822.80x = 77,420,359,636.08
  5. Step 5: Solve for x
    x = 77,420,359,636.08/383,822.80
  6. Step 6: Final answer
    x = 201,708.60

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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.