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Finding the Fourth Proportional to 434,393.94, 599,108.22 and 305,758.25

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Solution

The fourth proportional to 434,393.94, 599,108.22 and 305,758.25 is: 421,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,393.94 : 599,108.22 = 305,758.25 : x
  2. Step 2: Convert to fraction form
    434,393.94/599,108.22 = 305,758.25/x
  3. Step 3: Cross multiply
    434,393.94x = 599,108.22 × 305,758.25
  4. Step 4: Simplify right side
    434,393.94x = 183,182,277,912.27
  5. Step 5: Solve for x
    x = 183,182,277,912.27/434,393.94
  6. Step 6: Final answer
    x = 421,696.21

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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.