Home / 274,283.04-378,546.96-153,470.64

Finding the Fourth Proportional to 274,283.04, 378,546.96 and 153,470.64

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Solution

The fourth proportional to 274,283.04, 378,546.96 and 153,470.64 is: 211,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,283.04 : 378,546.96 = 153,470.64 : x
  2. Step 2: Convert to fraction form
    274,283.04/378,546.96 = 153,470.64/x
  3. Step 3: Cross multiply
    274,283.04x = 378,546.96 × 153,470.64
  4. Step 4: Simplify right side
    274,283.04x = 58,095,844,221.25
  5. Step 5: Solve for x
    x = 58,095,844,221.25/274,283.04
  6. Step 6: Final answer
    x = 211,809.83

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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.