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Finding the Fourth Proportional to 417,028.05, 575,499.29 and 226,041.39

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Solution

The fourth proportional to 417,028.05, 575,499.29 and 226,041.39 is: 311,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,028.05 : 575,499.29 = 226,041.39 : x
  2. Step 2: Convert to fraction form
    417,028.05/575,499.29 = 226,041.39/x
  3. Step 3: Cross multiply
    417,028.05x = 575,499.29 × 226,041.39
  4. Step 4: Simplify right side
    417,028.05x = 130,086,658,325.41
  5. Step 5: Solve for x
    x = 130,086,658,325.41/417,028.05
  6. Step 6: Final answer
    x = 311,937.43

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1.5x scale

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.