Home / 227,127.40-340,712.16-77,317.36

Finding the Fourth Proportional to 227,127.40, 340,712.16 and 77,317.36

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Solution

The fourth proportional to 227,127.40, 340,712.16 and 77,317.36 is: 115,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,127.40 : 340,712.16 = 77,317.36 : x
  2. Step 2: Convert to fraction form
    227,127.40/340,712.16 = 77,317.36/x
  3. Step 3: Cross multiply
    227,127.40x = 340,712.16 × 77,317.36
  4. Step 4: Simplify right side
    227,127.40x = 26,342,964,731.10
  5. Step 5: Solve for x
    x = 26,342,964,731.10/227,127.40
  6. Step 6: Final answer
    x = 115,983.21

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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.