Home / 225,985.47-338,975.76-55,208.73

Finding the Fourth Proportional to 225,985.47, 338,975.76 and 55,208.73

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Solution

The fourth proportional to 225,985.47, 338,975.76 and 55,208.73 is: 82,812.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,985.47 : 338,975.76 = 55,208.73 : x
  2. Step 2: Convert to fraction form
    225,985.47/338,975.76 = 55,208.73/x
  3. Step 3: Cross multiply
    225,985.47x = 338,975.76 × 55,208.73
  4. Step 4: Simplify right side
    225,985.47x = 18,714,421,210.38
  5. Step 5: Solve for x
    x = 18,714,421,210.38/225,985.47
  6. Step 6: Final answer
    x = 82,812.50

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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.