Home / 321,577.14-443,747.16-178,336.74

Finding the Fourth Proportional to 321,577.14, 443,747.16 and 178,336.74

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Solution

The fourth proportional to 321,577.14, 443,747.16 and 178,336.74 is: 246,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,577.14 : 443,747.16 = 178,336.74 : x
  2. Step 2: Convert to fraction form
    321,577.14/443,747.16 = 178,336.74/x
  3. Step 3: Cross multiply
    321,577.14x = 443,747.16 × 178,336.74
  4. Step 4: Simplify right side
    321,577.14x = 79,136,421,898.66
  5. Step 5: Solve for x
    x = 79,136,421,898.66/321,577.14
  6. Step 6: Final answer
    x = 246,088.46

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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.