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Finding the Fourth Proportional to 270,004.20, 404,228.70 and 262,228.20

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Solution

The fourth proportional to 270,004.20, 404,228.70 and 262,228.20 is: 392,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,004.20 : 404,228.70 = 262,228.20 : x
  2. Step 2: Convert to fraction form
    270,004.20/404,228.70 = 262,228.20/x
  3. Step 3: Cross multiply
    270,004.20x = 404,228.70 × 262,228.20
  4. Step 4: Simplify right side
    270,004.20x = 106,000,164,389.34
  5. Step 5: Solve for x
    x = 106,000,164,389.34/270,004.20
  6. Step 6: Final answer
    x = 392,587.09

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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.