Home / 251,979.49-377,970.05-172,853.83

Finding the Fourth Proportional to 251,979.49, 377,970.05 and 172,853.83

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Solution

The fourth proportional to 251,979.49, 377,970.05 and 172,853.83 is: 259,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,979.49 : 377,970.05 = 172,853.83 : x
  2. Step 2: Convert to fraction form
    251,979.49/377,970.05 = 172,853.83/x
  3. Step 3: Cross multiply
    251,979.49x = 377,970.05 × 172,853.83
  4. Step 4: Simplify right side
    251,979.49x = 65,333,570,767.79
  5. Step 5: Solve for x
    x = 65,333,570,767.79/251,979.49
  6. Step 6: Final answer
    x = 259,281.30

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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.