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Finding the Fourth Proportional to 439,474.50, 606,457.98 and 248,491.89

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Solution

The fourth proportional to 439,474.50, 606,457.98 and 248,491.89 is: 342,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,474.50 : 606,457.98 = 248,491.89 : x
  2. Step 2: Convert to fraction form
    439,474.50/606,457.98 = 248,491.89/x
  3. Step 3: Cross multiply
    439,474.50x = 606,457.98 × 248,491.89
  4. Step 4: Simplify right side
    439,474.50x = 150,699,889,655.78
  5. Step 5: Solve for x
    x = 150,699,889,655.78/439,474.50
  6. Step 6: Final answer
    x = 342,909.29

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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.