Home / 320,973.20-481,805.40-181,005.20

Finding the Fourth Proportional to 320,973.20, 481,805.40 and 181,005.20

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Solution

The fourth proportional to 320,973.20, 481,805.40 and 181,005.20 is: 271,702.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,973.20 : 481,805.40 = 181,005.20 : x
  2. Step 2: Convert to fraction form
    320,973.20/481,805.40 = 181,005.20/x
  3. Step 3: Cross multiply
    320,973.20x = 481,805.40 × 181,005.20
  4. Step 4: Simplify right side
    320,973.20x = 87,209,282,788.08
  5. Step 5: Solve for x
    x = 87,209,282,788.08/320,973.20
  6. Step 6: Final answer
    x = 271,702.69

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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.