Home / 550,190.16-759,224.41-305,151.80

Finding the Fourth Proportional to 550,190.16, 759,224.41 and 305,151.80

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Solution

The fourth proportional to 550,190.16, 759,224.41 and 305,151.80 is: 421,088.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,190.16 : 759,224.41 = 305,151.80 : x
  2. Step 2: Convert to fraction form
    550,190.16/759,224.41 = 305,151.80/x
  3. Step 3: Cross multiply
    550,190.16x = 759,224.41 × 305,151.80
  4. Step 4: Simplify right side
    550,190.16x = 231,678,690,756.44
  5. Step 5: Solve for x
    x = 231,678,690,756.44/550,190.16
  6. Step 6: Final answer
    x = 421,088.39

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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.