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Finding the Fourth Proportional to 243,327, 335,697.30 and 152,645.88

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Solution

The fourth proportional to 243,327, 335,697.30 and 152,645.88 is: 210,592.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,327 : 335,697.30 = 152,645.88 : x
  2. Step 2: Convert to fraction form
    243,327/335,697.30 = 152,645.88/x
  3. Step 3: Cross multiply
    243,327x = 335,697.30 × 152,645.88
  4. Step 4: Simplify right side
    243,327x = 51,242,809,772.12
  5. Step 5: Solve for x
    x = 51,242,809,772.12/243,327
  6. Step 6: Final answer
    x = 210,592.37

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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.