Home / 309,734.40-464,574.72-219,403.52

Finding the Fourth Proportional to 309,734.40, 464,574.72 and 219,403.52

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Solution

The fourth proportional to 309,734.40, 464,574.72 and 219,403.52 is: 329,086.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,734.40 : 464,574.72 = 219,403.52 : x
  2. Step 2: Convert to fraction form
    309,734.40/464,574.72 = 219,403.52/x
  3. Step 3: Cross multiply
    309,734.40x = 464,574.72 × 219,403.52
  4. Step 4: Simplify right side
    309,734.40x = 101,929,328,871.01
  5. Step 5: Solve for x
    x = 101,929,328,871.01/309,734.40
  6. Step 6: Final answer
    x = 329,086.24

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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.