Home / 280,874.06-387,578.35-160,008.14

Finding the Fourth Proportional to 280,874.06, 387,578.35 and 160,008.14

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Solution

The fourth proportional to 280,874.06, 387,578.35 and 160,008.14 is: 220,795.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,874.06 : 387,578.35 = 160,008.14 : x
  2. Step 2: Convert to fraction form
    280,874.06/387,578.35 = 160,008.14/x
  3. Step 3: Cross multiply
    280,874.06x = 387,578.35 × 160,008.14
  4. Step 4: Simplify right side
    280,874.06x = 62,015,692,056.73
  5. Step 5: Solve for x
    x = 62,015,692,056.73/280,874.06
  6. Step 6: Final answer
    x = 220,795.37

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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.