Home / 612,396.88-918,631.07-185,946.62

Finding the Fourth Proportional to 612,396.88, 918,631.07 and 185,946.62

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Solution

The fourth proportional to 612,396.88, 918,631.07 and 185,946.62 is: 278,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,396.88 : 918,631.07 = 185,946.62 : x
  2. Step 2: Convert to fraction form
    612,396.88/918,631.07 = 185,946.62/x
  3. Step 3: Cross multiply
    612,396.88x = 918,631.07 × 185,946.62
  4. Step 4: Simplify right side
    612,396.88x = 170,816,342,158.71
  5. Step 5: Solve for x
    x = 170,816,342,158.71/612,396.88
  6. Step 6: Final answer
    x = 278,930.78

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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.