Home / 319,700.72-441,159.05-204,776.62

Finding the Fourth Proportional to 319,700.72, 441,159.05 and 204,776.62

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Solution

The fourth proportional to 319,700.72, 441,159.05 and 204,776.62 is: 282,573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,700.72 : 441,159.05 = 204,776.62 : x
  2. Step 2: Convert to fraction form
    319,700.72/441,159.05 = 204,776.62/x
  3. Step 3: Cross multiply
    319,700.72x = 441,159.05 × 204,776.62
  4. Step 4: Simplify right side
    319,700.72x = 90,339,058,550.45
  5. Step 5: Solve for x
    x = 90,339,058,550.45/319,700.72
  6. Step 6: Final answer
    x = 282,573.83

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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.