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Finding the Fourth Proportional to 240,580.13, 332,088.05 and 139,978.13

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Solution

The fourth proportional to 240,580.13, 332,088.05 and 139,978.13 is: 193,220.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,580.13 : 332,088.05 = 139,978.13 : x
  2. Step 2: Convert to fraction form
    240,580.13/332,088.05 = 139,978.13/x
  3. Step 3: Cross multiply
    240,580.13x = 332,088.05 × 139,978.13
  4. Step 4: Simplify right side
    240,580.13x = 46,485,062,923.85
  5. Step 5: Solve for x
    x = 46,485,062,923.85/240,580.13
  6. Step 6: Final answer
    x = 193,220.71

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1.5x scale

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.