Home / 209,460.15-314,001.78-76,246.94

Finding the Fourth Proportional to 209,460.15, 314,001.78 and 76,246.94

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Solution

The fourth proportional to 209,460.15, 314,001.78 and 76,246.94 is: 114,301.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,460.15 : 314,001.78 = 76,246.94 : x
  2. Step 2: Convert to fraction form
    209,460.15/314,001.78 = 76,246.94/x
  3. Step 3: Cross multiply
    209,460.15x = 314,001.78 × 76,246.94
  4. Step 4: Simplify right side
    209,460.15x = 23,941,673,309.54
  5. Step 5: Solve for x
    x = 23,941,673,309.54/209,460.15
  6. Step 6: Final answer
    x = 114,301.81

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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.