Home / 280,974.46-387,751.50-160,113.16

Finding the Fourth Proportional to 280,974.46, 387,751.50 and 160,113.16

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Solution

The fourth proportional to 280,974.46, 387,751.50 and 160,113.16 is: 220,960.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,974.46 : 387,751.50 = 160,113.16 : x
  2. Step 2: Convert to fraction form
    280,974.46/387,751.50 = 160,113.16/x
  3. Step 3: Cross multiply
    280,974.46x = 387,751.50 × 160,113.16
  4. Step 4: Simplify right side
    280,974.46x = 62,084,117,959.74
  5. Step 5: Solve for x
    x = 62,084,117,959.74/280,974.46
  6. Step 6: Final answer
    x = 220,960.00

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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.