Home / 345,946.24-518,611.72-186,108

Finding the Fourth Proportional to 345,946.24, 518,611.72 and 186,108

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Solution

The fourth proportional to 345,946.24, 518,611.72 and 186,108 is: 278,996.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,946.24 : 518,611.72 = 186,108 : x
  2. Step 2: Convert to fraction form
    345,946.24/518,611.72 = 186,108/x
  3. Step 3: Cross multiply
    345,946.24x = 518,611.72 × 186,108
  4. Step 4: Simplify right side
    345,946.24x = 96,517,789,985.76
  5. Step 5: Solve for x
    x = 96,517,789,985.76/345,946.24
  6. Step 6: Final answer
    x = 278,996.50

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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.