Home / 340,736.18-511,341.41-141,057.61

Finding the Fourth Proportional to 340,736.18, 511,341.41 and 141,057.61

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Solution

The fourth proportional to 340,736.18, 511,341.41 and 141,057.61 is: 211,684.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,736.18 : 511,341.41 = 141,057.61 : x
  2. Step 2: Convert to fraction form
    340,736.18/511,341.41 = 141,057.61/x
  3. Step 3: Cross multiply
    340,736.18x = 511,341.41 × 141,057.61
  4. Step 4: Simplify right side
    340,736.18x = 72,128,596,262.92
  5. Step 5: Solve for x
    x = 72,128,596,262.92/340,736.18
  6. Step 6: Final answer
    x = 211,684.59

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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.