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Finding the Fourth Proportional to 350,366.60, 523,629.95 and 255,795.94

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Solution

The fourth proportional to 350,366.60, 523,629.95 and 255,795.94 is: 382,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,366.60 : 523,629.95 = 255,795.94 : x
  2. Step 2: Convert to fraction form
    350,366.60/523,629.95 = 255,795.94/x
  3. Step 3: Cross multiply
    350,366.60x = 523,629.95 × 255,795.94
  4. Step 4: Simplify right side
    350,366.60x = 133,942,414,602.82
  5. Step 5: Solve for x
    x = 133,942,414,602.82/350,366.60
  6. Step 6: Final answer
    x = 382,292.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.