Home / 371,648.99-512,829.87-226,402.05

Finding the Fourth Proportional to 371,648.99, 512,829.87 and 226,402.05

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Solution

The fourth proportional to 371,648.99, 512,829.87 and 226,402.05 is: 312,406.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,648.99 : 512,829.87 = 226,402.05 : x
  2. Step 2: Convert to fraction form
    371,648.99/512,829.87 = 226,402.05/x
  3. Step 3: Cross multiply
    371,648.99x = 512,829.87 × 226,402.05
  4. Step 4: Simplify right side
    371,648.99x = 116,105,734,943.34
  5. Step 5: Solve for x
    x = 116,105,734,943.34/371,648.99
  6. Step 6: Final answer
    x = 312,406.97

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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.