Home / 280,860.35-387,588.44-160,006.73

Finding the Fourth Proportional to 280,860.35, 387,588.44 and 160,006.73

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Solution

The fourth proportional to 280,860.35, 387,588.44 and 160,006.73 is: 220,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,860.35 : 387,588.44 = 160,006.73 : x
  2. Step 2: Convert to fraction form
    280,860.35/387,588.44 = 160,006.73/x
  3. Step 3: Cross multiply
    280,860.35x = 387,588.44 × 160,006.73
  4. Step 4: Simplify right side
    280,860.35x = 62,016,757,332.28
  5. Step 5: Solve for x
    x = 62,016,757,332.28/280,860.35
  6. Step 6: Final answer
    x = 220,809.95

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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.