Home / 321,756.50-444,024.03-178,516.20

Finding the Fourth Proportional to 321,756.50, 444,024.03 and 178,516.20

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Solution

The fourth proportional to 321,756.50, 444,024.03 and 178,516.20 is: 246,352.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,756.50 : 444,024.03 = 178,516.20 : x
  2. Step 2: Convert to fraction form
    321,756.50/444,024.03 = 178,516.20/x
  3. Step 3: Cross multiply
    321,756.50x = 444,024.03 × 178,516.20
  4. Step 4: Simplify right side
    321,756.50x = 79,265,483,874.66
  5. Step 5: Solve for x
    x = 79,265,483,874.66/321,756.50
  6. Step 6: Final answer
    x = 246,352.39

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1.5x scale

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.