Home / 348,535.31-520,442.12-276,651.45

Finding the Fourth Proportional to 348,535.31, 520,442.12 and 276,651.45

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Solution

The fourth proportional to 348,535.31, 520,442.12 and 276,651.45 is: 413,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,535.31 : 520,442.12 = 276,651.45 : x
  2. Step 2: Convert to fraction form
    348,535.31/520,442.12 = 276,651.45/x
  3. Step 3: Cross multiply
    348,535.31x = 520,442.12 × 276,651.45
  4. Step 4: Simplify right side
    348,535.31x = 143,981,065,755.82
  5. Step 5: Solve for x
    x = 143,981,065,755.82/348,535.31
  6. Step 6: Final answer
    x = 413,103.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.