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Finding the Fourth Proportional to 370,510, 554,876.94 and 190,120.72

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Solution

The fourth proportional to 370,510, 554,876.94 and 190,120.72 is: 284,725.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,510 : 554,876.94 = 190,120.72 : x
  2. Step 2: Convert to fraction form
    370,510/554,876.94 = 190,120.72/x
  3. Step 3: Cross multiply
    370,510x = 554,876.94 × 190,120.72
  4. Step 4: Simplify right side
    370,510x = 105,493,603,344.20
  5. Step 5: Solve for x
    x = 105,493,603,344.20/370,510
  6. Step 6: Final answer
    x = 284,725.39

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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.