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Finding the Fourth Proportional to 243,171.37, 335,581.80 and 134,275.42

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Solution

The fourth proportional to 243,171.37, 335,581.80 and 134,275.42 is: 185,303.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,171.37 : 335,581.80 = 134,275.42 : x
  2. Step 2: Convert to fraction form
    243,171.37/335,581.80 = 134,275.42/x
  3. Step 3: Cross multiply
    243,171.37x = 335,581.80 × 134,275.42
  4. Step 4: Simplify right side
    243,171.37x = 45,060,385,461.45
  5. Step 5: Solve for x
    x = 45,060,385,461.45/243,171.37
  6. Step 6: Final answer
    x = 185,303.01

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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.