Home / 247,811.09-341,996.21-140,382

Finding the Fourth Proportional to 247,811.09, 341,996.21 and 140,382

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Solution

The fourth proportional to 247,811.09, 341,996.21 and 140,382 is: 193,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,811.09 : 341,996.21 = 140,382 : x
  2. Step 2: Convert to fraction form
    247,811.09/341,996.21 = 140,382/x
  3. Step 3: Cross multiply
    247,811.09x = 341,996.21 × 140,382
  4. Step 4: Simplify right side
    247,811.09x = 48,010,111,250.31
  5. Step 5: Solve for x
    x = 48,010,111,250.31/247,811.09
  6. Step 6: Final answer
    x = 193,736.74

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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.