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Finding the Fourth Proportional to 243,359.25, 335,838.34 and 134,460.88

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Solution

The fourth proportional to 243,359.25, 335,838.34 and 134,460.88 is: 185,557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,359.25 : 335,838.34 = 134,460.88 : x
  2. Step 2: Convert to fraction form
    243,359.25/335,838.34 = 134,460.88/x
  3. Step 3: Cross multiply
    243,359.25x = 335,838.34 × 134,460.88
  4. Step 4: Simplify right side
    243,359.25x = 45,157,118,734.14
  5. Step 5: Solve for x
    x = 45,157,118,734.14/243,359.25
  6. Step 6: Final answer
    x = 185,557.44

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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.