Home / 321,007.05-481,521.66-152,440.38

Finding the Fourth Proportional to 321,007.05, 481,521.66 and 152,440.38

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Solution

The fourth proportional to 321,007.05, 481,521.66 and 152,440.38 is: 228,665.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,007.05 : 481,521.66 = 152,440.38 : x
  2. Step 2: Convert to fraction form
    321,007.05/481,521.66 = 152,440.38/x
  3. Step 3: Cross multiply
    321,007.05x = 481,521.66 × 152,440.38
  4. Step 4: Simplify right side
    321,007.05x = 73,403,345,114.46
  5. Step 5: Solve for x
    x = 73,403,345,114.46/321,007.05
  6. Step 6: Final answer
    x = 228,665.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.