Home / 356,518.46-491,948.70-213,226.22

Finding the Fourth Proportional to 356,518.46, 491,948.70 and 213,226.22

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Solution

The fourth proportional to 356,518.46, 491,948.70 and 213,226.22 is: 294,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,518.46 : 491,948.70 = 213,226.22 : x
  2. Step 2: Convert to fraction form
    356,518.46/491,948.70 = 213,226.22/x
  3. Step 3: Cross multiply
    356,518.46x = 491,948.70 × 213,226.22
  4. Step 4: Simplify right side
    356,518.46x = 104,896,361,734.91
  5. Step 5: Solve for x
    x = 104,896,361,734.91/356,518.46
  6. Step 6: Final answer
    x = 294,224.21

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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.