Home / 484,171.93-668,110.36-280,182.34

Finding the Fourth Proportional to 484,171.93, 668,110.36 and 280,182.34

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Solution

The fourth proportional to 484,171.93, 668,110.36 and 280,182.34 is: 386,624.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,171.93 : 668,110.36 = 280,182.34 : x
  2. Step 2: Convert to fraction form
    484,171.93/668,110.36 = 280,182.34/x
  3. Step 3: Cross multiply
    484,171.93x = 668,110.36 × 280,182.34
  4. Step 4: Simplify right side
    484,171.93x = 187,192,719,301.58
  5. Step 5: Solve for x
    x = 187,192,719,301.58/484,171.93
  6. Step 6: Final answer
    x = 386,624.48

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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.