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Finding the Fourth Proportional to 243,342.01, 335,790.12 and 135,897.13

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Solution

The fourth proportional to 243,342.01, 335,790.12 and 135,897.13 is: 187,525.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,342.01 : 335,790.12 = 135,897.13 : x
  2. Step 2: Convert to fraction form
    243,342.01/335,790.12 = 135,897.13/x
  3. Step 3: Cross multiply
    243,342.01x = 335,790.12 × 135,897.13
  4. Step 4: Simplify right side
    243,342.01x = 45,632,913,590.36
  5. Step 5: Solve for x
    x = 45,632,913,590.36/243,342.01
  6. Step 6: Final answer
    x = 187,525.83

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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.