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Finding the Fourth Proportional to 368,844.91, 509,000.97 and 207,701.89

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Solution

The fourth proportional to 368,844.91, 509,000.97 and 207,701.89 is: 286,625.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,844.91 : 509,000.97 = 207,701.89 : x
  2. Step 2: Convert to fraction form
    368,844.91/509,000.97 = 207,701.89/x
  3. Step 3: Cross multiply
    368,844.91x = 509,000.97 × 207,701.89
  4. Step 4: Simplify right side
    368,844.91x = 105,720,463,480.83
  5. Step 5: Solve for x
    x = 105,720,463,480.83/368,844.91
  6. Step 6: Final answer
    x = 286,625.79

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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.