Home / 340,538.58-469,943.37-197,381.61

Finding the Fourth Proportional to 340,538.58, 469,943.37 and 197,381.61

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Solution

The fourth proportional to 340,538.58, 469,943.37 and 197,381.61 is: 272,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,538.58 : 469,943.37 = 197,381.61 : x
  2. Step 2: Convert to fraction form
    340,538.58/469,943.37 = 197,381.61/x
  3. Step 3: Cross multiply
    340,538.58x = 469,943.37 × 197,381.61
  4. Step 4: Simplify right side
    340,538.58x = 92,758,178,979.43
  5. Step 5: Solve for x
    x = 92,758,178,979.43/340,538.58
  6. Step 6: Final answer
    x = 272,386.70

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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.