Home / 227,209.89-340,710.50-77,389.22

Finding the Fourth Proportional to 227,209.89, 340,710.50 and 77,389.22

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Solution

The fourth proportional to 227,209.89, 340,710.50 and 77,389.22 is: 116,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,209.89 : 340,710.50 = 77,389.22 : x
  2. Step 2: Convert to fraction form
    227,209.89/340,710.50 = 77,389.22/x
  3. Step 3: Cross multiply
    227,209.89x = 340,710.50 × 77,389.22
  4. Step 4: Simplify right side
    227,209.89x = 26,367,320,886.06
  5. Step 5: Solve for x
    x = 26,367,320,886.06/227,209.89
  6. Step 6: Final answer
    x = 116,048.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.