Home / 484,117.43-668,035.31-280,127.75

Finding the Fourth Proportional to 484,117.43, 668,035.31 and 280,127.75

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Solution

The fourth proportional to 484,117.43, 668,035.31 and 280,127.75 is: 386,549.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,117.43 : 668,035.31 = 280,127.75 : x
  2. Step 2: Convert to fraction form
    484,117.43/668,035.31 = 280,127.75/x
  3. Step 3: Cross multiply
    484,117.43x = 668,035.31 × 280,127.75
  4. Step 4: Simplify right side
    484,117.43x = 187,135,223,570.04
  5. Step 5: Solve for x
    x = 187,135,223,570.04/484,117.43
  6. Step 6: Final answer
    x = 386,549.24

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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.