Home / 484,189.20-668,129.40-269,294.76

Finding the Fourth Proportional to 484,189.20, 668,129.40 and 269,294.76

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Solution

The fourth proportional to 484,189.20, 668,129.40 and 269,294.76 is: 371,598.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,189.20 : 668,129.40 = 269,294.76 : x
  2. Step 2: Convert to fraction form
    484,189.20/668,129.40 = 269,294.76/x
  3. Step 3: Cross multiply
    484,189.20x = 668,129.40 × 269,294.76
  4. Step 4: Simplify right side
    484,189.20x = 179,923,746,421.94
  5. Step 5: Solve for x
    x = 179,923,746,421.94/484,189.20
  6. Step 6: Final answer
    x = 371,598.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.