Home / 217,964.20-326,946.30-189,095.80

Finding the Fourth Proportional to 217,964.20, 326,946.30 and 189,095.80

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Solution

The fourth proportional to 217,964.20, 326,946.30 and 189,095.80 is: 283,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,964.20 : 326,946.30 = 189,095.80 : x
  2. Step 2: Convert to fraction form
    217,964.20/326,946.30 = 189,095.80/x
  3. Step 3: Cross multiply
    217,964.20x = 326,946.30 × 189,095.80
  4. Step 4: Simplify right side
    217,964.20x = 61,824,172,155.54
  5. Step 5: Solve for x
    x = 61,824,172,155.54/217,964.20
  6. Step 6: Final answer
    x = 283,643.70

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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.