Home / 309,557.16-464,309.82-219,226.28

Finding the Fourth Proportional to 309,557.16, 464,309.82 and 219,226.28

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Solution

The fourth proportional to 309,557.16, 464,309.82 and 219,226.28 is: 328,821.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,557.16 : 464,309.82 = 219,226.28 : x
  2. Step 2: Convert to fraction form
    309,557.16/464,309.82 = 219,226.28/x
  3. Step 3: Cross multiply
    309,557.16x = 464,309.82 × 219,226.28
  4. Step 4: Simplify right side
    309,557.16x = 101,788,914,606.07
  5. Step 5: Solve for x
    x = 101,788,914,606.07/309,557.16
  6. Step 6: Final answer
    x = 328,821.06

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1.5x scale

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.