Home / 430,857.86-646,582.01-150,375.11

Finding the Fourth Proportional to 430,857.86, 646,582.01 and 150,375.11

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Solution

The fourth proportional to 430,857.86, 646,582.01 and 150,375.11 is: 225,665.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,857.86 : 646,582.01 = 150,375.11 : x
  2. Step 2: Convert to fraction form
    430,857.86/646,582.01 = 150,375.11/x
  3. Step 3: Cross multiply
    430,857.86x = 646,582.01 × 150,375.11
  4. Step 4: Simplify right side
    430,857.86x = 97,229,836,892.99
  5. Step 5: Solve for x
    x = 97,229,836,892.99/430,857.86
  6. Step 6: Final answer
    x = 225,665.69

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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.