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Finding the Fourth Proportional to 277,708.80, 382,951.47 and 237,555.48

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Solution

The fourth proportional to 277,708.80, 382,951.47 and 237,555.48 is: 327,581.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,708.80 : 382,951.47 = 237,555.48 : x
  2. Step 2: Convert to fraction form
    277,708.80/382,951.47 = 237,555.48/x
  3. Step 3: Cross multiply
    277,708.80x = 382,951.47 × 237,555.48
  4. Step 4: Simplify right side
    277,708.80x = 90,972,220,272.56
  5. Step 5: Solve for x
    x = 90,972,220,272.56/277,708.80
  6. Step 6: Final answer
    x = 327,581.34

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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.