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Finding the Fourth Proportional to 243,347.52, 335,816.04 and 135,919.08

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Solution

The fourth proportional to 243,347.52, 335,816.04 and 135,919.08 is: 187,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,347.52 : 335,816.04 = 135,919.08 : x
  2. Step 2: Convert to fraction form
    243,347.52/335,816.04 = 135,919.08/x
  3. Step 3: Cross multiply
    243,347.52x = 335,816.04 × 135,919.08
  4. Step 4: Simplify right side
    243,347.52x = 45,643,807,206.04
  5. Step 5: Solve for x
    x = 45,643,807,206.04/243,347.52
  6. Step 6: Final answer
    x = 187,566.35

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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.