Home / 248,916.38-343,530.52-153,420.62

Finding the Fourth Proportional to 248,916.38, 343,530.52 and 153,420.62

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Solution

The fourth proportional to 248,916.38, 343,530.52 and 153,420.62 is: 211,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,916.38 : 343,530.52 = 153,420.62 : x
  2. Step 2: Convert to fraction form
    248,916.38/343,530.52 = 153,420.62/x
  3. Step 3: Cross multiply
    248,916.38x = 343,530.52 × 153,420.62
  4. Step 4: Simplify right side
    248,916.38x = 52,704,663,649.67
  5. Step 5: Solve for x
    x = 52,704,663,649.67/248,916.38
  6. Step 6: Final answer
    x = 211,736.43

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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.