Home / 247,867.65-342,056.45-140,458.22

Finding the Fourth Proportional to 247,867.65, 342,056.45 and 140,458.22

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Solution

The fourth proportional to 247,867.65, 342,056.45 and 140,458.22 is: 193,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,867.65 : 342,056.45 = 140,458.22 : x
  2. Step 2: Convert to fraction form
    247,867.65/342,056.45 = 140,458.22/x
  3. Step 3: Cross multiply
    247,867.65x = 342,056.45 × 140,458.22
  4. Step 4: Simplify right side
    247,867.65x = 48,044,637,693.95
  5. Step 5: Solve for x
    x = 48,044,637,693.95/247,867.65
  6. Step 6: Final answer
    x = 193,831.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.