Home / 484,521.40-668,632.87-269,661.43

Finding the Fourth Proportional to 484,521.40, 668,632.87 and 269,661.43

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Solution

The fourth proportional to 484,521.40, 668,632.87 and 269,661.43 is: 372,129.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,521.40 : 668,632.87 = 269,661.43 : x
  2. Step 2: Convert to fraction form
    484,521.40/668,632.87 = 269,661.43/x
  3. Step 3: Cross multiply
    484,521.40x = 668,632.87 × 269,661.43
  4. Step 4: Simplify right side
    484,521.40x = 180,304,495,869.20
  5. Step 5: Solve for x
    x = 180,304,495,869.20/484,521.40
  6. Step 6: Final answer
    x = 372,129.07

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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.