Home / 321,965.90-444,290.73-178,714.67

Finding the Fourth Proportional to 321,965.90, 444,290.73 and 178,714.67

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Solution

The fourth proportional to 321,965.90, 444,290.73 and 178,714.67 is: 246,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,965.90 : 444,290.73 = 178,714.67 : x
  2. Step 2: Convert to fraction form
    321,965.90/444,290.73 = 178,714.67/x
  3. Step 3: Cross multiply
    321,965.90x = 444,290.73 × 178,714.67
  4. Step 4: Simplify right side
    321,965.90x = 79,401,271,196.01
  5. Step 5: Solve for x
    x = 79,401,271,196.01/321,965.90
  6. Step 6: Final answer
    x = 246,613.92

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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.