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Finding the Fourth Proportional to 300,042.93, 450,162.95 and 122,699.10

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Solution

The fourth proportional to 300,042.93, 450,162.95 and 122,699.10 is: 184,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,042.93 : 450,162.95 = 122,699.10 : x
  2. Step 2: Convert to fraction form
    300,042.93/450,162.95 = 122,699.10/x
  3. Step 3: Cross multiply
    300,042.93x = 450,162.95 × 122,699.10
  4. Step 4: Simplify right side
    300,042.93x = 55,234,588,204.85
  5. Step 5: Solve for x
    x = 55,234,588,204.85/300,042.93
  6. Step 6: Final answer
    x = 184,088.95

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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.