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Finding the Fourth Proportional to 417,028.68, 575,500.15 and 226,042.02

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Solution

The fourth proportional to 417,028.68, 575,500.15 and 226,042.02 is: 311,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,028.68 : 575,500.15 = 226,042.02 : x
  2. Step 2: Convert to fraction form
    417,028.68/575,500.15 = 226,042.02/x
  3. Step 3: Cross multiply
    417,028.68x = 575,500.15 × 226,042.02
  4. Step 4: Simplify right side
    417,028.68x = 130,087,216,416.30
  5. Step 5: Solve for x
    x = 130,087,216,416.30/417,028.68
  6. Step 6: Final answer
    x = 311,938.30

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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.