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Finding the Fourth Proportional to 244,861.80, 367,292.70 and 139,885.80

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Solution

The fourth proportional to 244,861.80, 367,292.70 and 139,885.80 is: 209,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,861.80 : 367,292.70 = 139,885.80 : x
  2. Step 2: Convert to fraction form
    244,861.80/367,292.70 = 139,885.80/x
  3. Step 3: Cross multiply
    244,861.80x = 367,292.70 × 139,885.80
  4. Step 4: Simplify right side
    244,861.80x = 51,379,033,173.66
  5. Step 5: Solve for x
    x = 51,379,033,173.66/244,861.80
  6. Step 6: Final answer
    x = 209,828.70

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1.5x scale

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.