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Finding the Fourth Proportional to 370,470.80, 511,275.29 and 225,333.27

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Solution

The fourth proportional to 370,470.80, 511,275.29 and 225,333.27 is: 310,975.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,470.80 : 511,275.29 = 225,333.27 : x
  2. Step 2: Convert to fraction form
    370,470.80/511,275.29 = 225,333.27/x
  3. Step 3: Cross multiply
    370,470.80x = 511,275.29 × 225,333.27
  4. Step 4: Simplify right side
    370,470.80x = 115,207,331,839.23
  5. Step 5: Solve for x
    x = 115,207,331,839.23/370,470.80
  6. Step 6: Final answer
    x = 310,975.48

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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.