Home / 340,145.91-469,244.30-219,326.00

Finding the Fourth Proportional to 340,145.91, 469,244.30 and 219,326.00

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Solution

The fourth proportional to 340,145.91, 469,244.30 and 219,326.00 is: 302,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,145.91 : 469,244.30 = 219,326.00 : x
  2. Step 2: Convert to fraction form
    340,145.91/469,244.30 = 219,326.00/x
  3. Step 3: Cross multiply
    340,145.91x = 469,244.30 × 219,326.00
  4. Step 4: Simplify right side
    340,145.91x = 102,917,471,898.95
  5. Step 5: Solve for x
    x = 102,917,471,898.95/340,145.91
  6. Step 6: Final answer
    x = 302,568.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.