Home / 346,431.21-519,926.69-146,891.71

Finding the Fourth Proportional to 346,431.21, 519,926.69 and 146,891.71

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Solution

The fourth proportional to 346,431.21, 519,926.69 and 146,891.71 is: 220,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,431.21 : 519,926.69 = 146,891.71 : x
  2. Step 2: Convert to fraction form
    346,431.21/519,926.69 = 146,891.71/x
  3. Step 3: Cross multiply
    346,431.21x = 519,926.69 × 146,891.71
  4. Step 4: Simplify right side
    346,431.21x = 76,372,917,234.65
  5. Step 5: Solve for x
    x = 76,372,917,234.65/346,431.21
  6. Step 6: Final answer
    x = 220,456.23

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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.