Home / 340,576.41-469,960.14-209,733.28

Finding the Fourth Proportional to 340,576.41, 469,960.14 and 209,733.28

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Solution

The fourth proportional to 340,576.41, 469,960.14 and 209,733.28 is: 289,410.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,576.41 : 469,960.14 = 209,733.28 : x
  2. Step 2: Convert to fraction form
    340,576.41/469,960.14 = 209,733.28/x
  3. Step 3: Cross multiply
    340,576.41x = 469,960.14 × 209,733.28
  4. Step 4: Simplify right side
    340,576.41x = 98,566,283,886.58
  5. Step 5: Solve for x
    x = 98,566,283,886.58/340,576.41
  6. Step 6: Final answer
    x = 289,410.19

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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.