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Finding the Fourth Proportional to 372,306.00, 513,810.36 and 227,098.76

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Solution

The fourth proportional to 372,306.00, 513,810.36 and 227,098.76 is: 313,413.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,306.00 : 513,810.36 = 227,098.76 : x
  2. Step 2: Convert to fraction form
    372,306.00/513,810.36 = 227,098.76/x
  3. Step 3: Cross multiply
    372,306.00x = 513,810.36 × 227,098.76
  4. Step 4: Simplify right side
    372,306.00x = 116,685,698,036.09
  5. Step 5: Solve for x
    x = 116,685,698,036.09/372,306.00
  6. Step 6: Final answer
    x = 313,413.43

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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.