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Finding the Fourth Proportional to 368,252.01, 508,065.60 and 300,151.89

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Solution

The fourth proportional to 368,252.01, 508,065.60 and 300,151.89 is: 414,110.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,252.01 : 508,065.60 = 300,151.89 : x
  2. Step 2: Convert to fraction form
    368,252.01/508,065.60 = 300,151.89/x
  3. Step 3: Cross multiply
    368,252.01x = 508,065.60 × 300,151.89
  4. Step 4: Simplify right side
    368,252.01x = 152,496,850,083.98
  5. Step 5: Solve for x
    x = 152,496,850,083.98/368,252.01
  6. Step 6: Final answer
    x = 414,110.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.