Home / 321,315.04-443,364.60-185,354.11

Finding the Fourth Proportional to 321,315.04, 443,364.60 and 185,354.11

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Solution

The fourth proportional to 321,315.04, 443,364.60 and 185,354.11 is: 255,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,315.04 : 443,364.60 = 185,354.11 : x
  2. Step 2: Convert to fraction form
    321,315.04/443,364.60 = 185,354.11/x
  3. Step 3: Cross multiply
    321,315.04x = 443,364.60 × 185,354.11
  4. Step 4: Simplify right side
    321,315.04x = 82,179,450,838.51
  5. Step 5: Solve for x
    x = 82,179,450,838.51/321,315.04
  6. Step 6: Final answer
    x = 255,759.74

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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.