Home / 321,336.05-443,436.93-178,094.84

Finding the Fourth Proportional to 321,336.05, 443,436.93 and 178,094.84

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Solution

The fourth proportional to 321,336.05, 443,436.93 and 178,094.84 is: 245,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,336.05 : 443,436.93 = 178,094.84 : x
  2. Step 2: Convert to fraction form
    321,336.05/443,436.93 = 178,094.84/x
  3. Step 3: Cross multiply
    321,336.05x = 443,436.93 × 178,094.84
  4. Step 4: Simplify right side
    321,336.05x = 78,973,826,881.26
  5. Step 5: Solve for x
    x = 78,973,826,881.26/321,336.05
  6. Step 6: Final answer
    x = 245,767.10

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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.