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Finding the Fourth Proportional to 300,002.93, 450,004.80 and 122,509.92

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Solution

The fourth proportional to 300,002.93, 450,004.80 and 122,509.92 is: 183,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,002.93 : 450,004.80 = 122,509.92 : x
  2. Step 2: Convert to fraction form
    300,002.93/450,004.80 = 122,509.92/x
  3. Step 3: Cross multiply
    300,002.93x = 450,004.80 × 122,509.92
  4. Step 4: Simplify right side
    300,002.93x = 55,130,052,047.62
  5. Step 5: Solve for x
    x = 55,130,052,047.62/300,002.93
  6. Step 6: Final answer
    x = 183,765.05

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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.