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Finding the Fourth Proportional to 243,162.44, 335,592.63 and 202,254.39

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Solution

The fourth proportional to 243,162.44, 335,592.63 and 202,254.39 is: 279,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,162.44 : 335,592.63 = 202,254.39 : x
  2. Step 2: Convert to fraction form
    243,162.44/335,592.63 = 202,254.39/x
  3. Step 3: Cross multiply
    243,162.44x = 335,592.63 × 202,254.39
  4. Step 4: Simplify right side
    243,162.44x = 67,875,083,927.62
  5. Step 5: Solve for x
    x = 67,875,083,927.62/243,162.44
  6. Step 6: Final answer
    x = 279,134.74

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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.