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Finding the Fourth Proportional to 349,487.79, 482,455.61 and 263,481.72

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Solution

The fourth proportional to 349,487.79, 482,455.61 and 263,481.72 is: 363,727.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,487.79 : 482,455.61 = 263,481.72 : x
  2. Step 2: Convert to fraction form
    349,487.79/482,455.61 = 263,481.72/x
  3. Step 3: Cross multiply
    349,487.79x = 482,455.61 × 263,481.72
  4. Step 4: Simplify right side
    349,487.79x = 127,118,233,946.45
  5. Step 5: Solve for x
    x = 127,118,233,946.45/349,487.79
  6. Step 6: Final answer
    x = 363,727.25

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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.