Home / 342,831.78-514,579.37-165,463.65

Finding the Fourth Proportional to 342,831.78, 514,579.37 and 165,463.65

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Solution

The fourth proportional to 342,831.78, 514,579.37 and 165,463.65 is: 248,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,831.78 : 514,579.37 = 165,463.65 : x
  2. Step 2: Convert to fraction form
    342,831.78/514,579.37 = 165,463.65/x
  3. Step 3: Cross multiply
    342,831.78x = 514,579.37 × 165,463.65
  4. Step 4: Simplify right side
    342,831.78x = 85,144,179,947.58
  5. Step 5: Solve for x
    x = 85,144,179,947.58/342,831.78
  6. Step 6: Final answer
    x = 248,355.56

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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.