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Finding the Fourth Proportional to 369,792, 554,731.74 and 120,474

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Solution

The fourth proportional to 369,792, 554,731.74 and 120,474 is: 180,725.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,792 : 554,731.74 = 120,474 : x
  2. Step 2: Convert to fraction form
    369,792/554,731.74 = 120,474/x
  3. Step 3: Cross multiply
    369,792x = 554,731.74 × 120,474
  4. Step 4: Simplify right side
    369,792x = 66,830,751,644.76
  5. Step 5: Solve for x
    x = 66,830,751,644.76/369,792
  6. Step 6: Final answer
    x = 180,725.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.