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Finding the Fourth Proportional to 200,262.90, 300,356.10 and 60,021.51

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Solution

The fourth proportional to 200,262.90, 300,356.10 and 60,021.51 is: 90,020.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,262.90 : 300,356.10 = 60,021.51 : x
  2. Step 2: Convert to fraction form
    200,262.90/300,356.10 = 60,021.51/x
  3. Step 3: Cross multiply
    200,262.90x = 300,356.10 × 60,021.51
  4. Step 4: Simplify right side
    200,262.90x = 18,027,826,659.71
  5. Step 5: Solve for x
    x = 18,027,826,659.71/200,262.90
  6. Step 6: Final answer
    x = 90,020.80

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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.