Home / 247,831.47-371,746.53-70,338.65

Finding the Fourth Proportional to 247,831.47, 371,746.53 and 70,338.65

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Solution

The fourth proportional to 247,831.47, 371,746.53 and 70,338.65 is: 105,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,831.47 : 371,746.53 = 70,338.65 : x
  2. Step 2: Convert to fraction form
    247,831.47/371,746.53 = 70,338.65/x
  3. Step 3: Cross multiply
    247,831.47x = 371,746.53 × 70,338.65
  4. Step 4: Simplify right side
    247,831.47x = 26,148,149,062.38
  5. Step 5: Solve for x
    x = 26,148,149,062.38/247,831.47
  6. Step 6: Final answer
    x = 105,507.78

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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.