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Finding the Fourth Proportional to 270,137.40, 404,622.90 and 235,145.40

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Solution

The fourth proportional to 270,137.40, 404,622.90 and 235,145.40 is: 352,210.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,137.40 : 404,622.90 = 235,145.40 : x
  2. Step 2: Convert to fraction form
    270,137.40/404,622.90 = 235,145.40/x
  3. Step 3: Cross multiply
    270,137.40x = 404,622.90 × 235,145.40
  4. Step 4: Simplify right side
    270,137.40x = 95,145,213,669.66
  5. Step 5: Solve for x
    x = 95,145,213,669.66/270,137.40
  6. Step 6: Final answer
    x = 352,210.44

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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.