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Finding the Fourth Proportional to 242,925.01, 335,237.10 and 135,502

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Solution

The fourth proportional to 242,925.01, 335,237.10 and 135,502 is: 186,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,925.01 : 335,237.10 = 135,502 : x
  2. Step 2: Convert to fraction form
    242,925.01/335,237.10 = 135,502/x
  3. Step 3: Cross multiply
    242,925.01x = 335,237.10 × 135,502
  4. Step 4: Simplify right side
    242,925.01x = 45,425,297,524.20
  5. Step 5: Solve for x
    x = 45,425,297,524.20/242,925.01
  6. Step 6: Final answer
    x = 186,993.09

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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.