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Finding the Fourth Proportional to 243,496.80, 365,054.04 and 154,733.76

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Solution

The fourth proportional to 243,496.80, 365,054.04 and 154,733.76 is: 231,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,496.80 : 365,054.04 = 154,733.76 : x
  2. Step 2: Convert to fraction form
    243,496.80/365,054.04 = 154,733.76/x
  3. Step 3: Cross multiply
    243,496.80x = 365,054.04 × 154,733.76
  4. Step 4: Simplify right side
    243,496.80x = 56,486,184,212.39
  5. Step 5: Solve for x
    x = 56,486,184,212.39/243,496.80
  6. Step 6: Final answer
    x = 231,979.16

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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.