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Finding the Fourth Proportional to 243,165.52, 335,603.64 and 175,407.04

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Solution

The fourth proportional to 243,165.52, 335,603.64 and 175,407.04 is: 242,087.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,165.52 : 335,603.64 = 175,407.04 : x
  2. Step 2: Convert to fraction form
    243,165.52/335,603.64 = 175,407.04/x
  3. Step 3: Cross multiply
    243,165.52x = 335,603.64 × 175,407.04
  4. Step 4: Simplify right side
    243,165.52x = 58,867,241,105.63
  5. Step 5: Solve for x
    x = 58,867,241,105.63/243,165.52
  6. Step 6: Final answer
    x = 242,087.12

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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.