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Finding the Fourth Proportional to 349,426.89, 524,412.50 and 243,556.65

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Solution

The fourth proportional to 349,426.89, 524,412.50 and 243,556.65 is: 365,524.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,426.89 : 524,412.50 = 243,556.65 : x
  2. Step 2: Convert to fraction form
    349,426.89/524,412.50 = 243,556.65/x
  3. Step 3: Cross multiply
    349,426.89x = 524,412.50 × 243,556.65
  4. Step 4: Simplify right side
    349,426.89x = 127,724,150,500.34
  5. Step 5: Solve for x
    x = 127,724,150,500.34/349,426.89
  6. Step 6: Final answer
    x = 365,524.68

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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.