Home / 284,809.85-393,036.56-160,620.95

Finding the Fourth Proportional to 284,809.85, 393,036.56 and 160,620.95

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Solution

The fourth proportional to 284,809.85, 393,036.56 and 160,620.95 is: 221,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,809.85 : 393,036.56 = 160,620.95 : x
  2. Step 2: Convert to fraction form
    284,809.85/393,036.56 = 160,620.95/x
  3. Step 3: Cross multiply
    284,809.85x = 393,036.56 × 160,620.95
  4. Step 4: Simplify right side
    284,809.85x = 63,129,904,848.83
  5. Step 5: Solve for x
    x = 63,129,904,848.83/284,809.85
  6. Step 6: Final answer
    x = 221,656.33

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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.