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Finding the Fourth Proportional to 243,305.37, 335,766.47 and 135,875.52

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Solution

The fourth proportional to 243,305.37, 335,766.47 and 135,875.52 is: 187,511.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,305.37 : 335,766.47 = 135,875.52 : x
  2. Step 2: Convert to fraction form
    243,305.37/335,766.47 = 135,875.52/x
  3. Step 3: Cross multiply
    243,305.37x = 335,766.47 × 135,875.52
  4. Step 4: Simplify right side
    243,305.37x = 45,622,443,030.44
  5. Step 5: Solve for x
    x = 45,622,443,030.44/243,305.37
  6. Step 6: Final answer
    x = 187,511.04

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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.