Home / 275,977.28-413,573.88-212,557.52

Finding the Fourth Proportional to 275,977.28, 413,573.88 and 212,557.52

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Solution

The fourth proportional to 275,977.28, 413,573.88 and 212,557.52 is: 318,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,977.28 : 413,573.88 = 212,557.52 : x
  2. Step 2: Convert to fraction form
    275,977.28/413,573.88 = 212,557.52/x
  3. Step 3: Cross multiply
    275,977.28x = 413,573.88 × 212,557.52
  4. Step 4: Simplify right side
    275,977.28x = 87,908,238,269.58
  5. Step 5: Solve for x
    x = 87,908,238,269.58/275,977.28
  6. Step 6: Final answer
    x = 318,534.33

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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.