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Finding the Fourth Proportional to 300,009.29, 450,014.36 and 122,516.30

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Solution

The fourth proportional to 300,009.29, 450,014.36 and 122,516.30 is: 183,774.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,009.29 : 450,014.36 = 122,516.30 : x
  2. Step 2: Convert to fraction form
    300,009.29/450,014.36 = 122,516.30/x
  3. Step 3: Cross multiply
    300,009.29x = 450,014.36 × 122,516.30
  4. Step 4: Simplify right side
    300,009.29x = 55,134,092,390.29
  5. Step 5: Solve for x
    x = 55,134,092,390.29/300,009.29
  6. Step 6: Final answer
    x = 183,774.62

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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.