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Finding the Fourth Proportional to 335,235.90, 502,852.52 and 135,553.88

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Solution

The fourth proportional to 335,235.90, 502,852.52 and 135,553.88 is: 203,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,235.90 : 502,852.52 = 135,553.88 : x
  2. Step 2: Convert to fraction form
    335,235.90/502,852.52 = 135,553.88/x
  3. Step 3: Cross multiply
    335,235.90x = 502,852.52 × 135,553.88
  4. Step 4: Simplify right side
    335,235.90x = 68,163,610,153.78
  5. Step 5: Solve for x
    x = 68,163,610,153.78/335,235.90
  6. Step 6: Final answer
    x = 203,330.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.