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Finding the Fourth Proportional to 300,632.78, 450,990.65 and 101,010.24

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Solution

The fourth proportional to 300,632.78, 450,990.65 and 101,010.24 is: 151,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,632.78 : 450,990.65 = 101,010.24 : x
  2. Step 2: Convert to fraction form
    300,632.78/450,990.65 = 101,010.24/x
  3. Step 3: Cross multiply
    300,632.78x = 450,990.65 × 101,010.24
  4. Step 4: Simplify right side
    300,632.78x = 45,554,674,046.78
  5. Step 5: Solve for x
    x = 45,554,674,046.78/300,632.78
  6. Step 6: Final answer
    x = 151,529.30

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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.