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Finding the Fourth Proportional to 247,995.62, 342,236.40 and 134,820.80

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Solution

The fourth proportional to 247,995.62, 342,236.40 and 134,820.80 is: 186,054.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,995.62 : 342,236.40 = 134,820.80 : x
  2. Step 2: Convert to fraction form
    247,995.62/342,236.40 = 134,820.80/x
  3. Step 3: Cross multiply
    247,995.62x = 342,236.40 × 134,820.80
  4. Step 4: Simplify right side
    247,995.62x = 46,140,585,237.12
  5. Step 5: Solve for x
    x = 46,140,585,237.12/247,995.62
  6. Step 6: Final answer
    x = 186,054.03

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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.