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Finding the Fourth Proportional to 247,852.58, 342,035.37 and 140,422.38

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Solution

The fourth proportional to 247,852.58, 342,035.37 and 140,422.38 is: 193,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,852.58 : 342,035.37 = 140,422.38 : x
  2. Step 2: Convert to fraction form
    247,852.58/342,035.37 = 140,422.38/x
  3. Step 3: Cross multiply
    247,852.58x = 342,035.37 × 140,422.38
  4. Step 4: Simplify right side
    247,852.58x = 48,029,420,699.58
  5. Step 5: Solve for x
    x = 48,029,420,699.58/247,852.58
  6. Step 6: Final answer
    x = 193,782.21

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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.