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Finding the Fourth Proportional to 243,026.64, 335,376.30 and 135,590.28

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Solution

The fourth proportional to 243,026.64, 335,376.30 and 135,590.28 is: 187,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,026.64 : 335,376.30 = 135,590.28 : x
  2. Step 2: Convert to fraction form
    243,026.64/335,376.30 = 135,590.28/x
  3. Step 3: Cross multiply
    243,026.64x = 335,376.30 × 135,590.28
  4. Step 4: Simplify right side
    243,026.64x = 45,473,766,422.36
  5. Step 5: Solve for x
    x = 45,473,766,422.36/243,026.64
  6. Step 6: Final answer
    x = 187,114.33

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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.