Home / 205,982.40-308,779.20-184,987.20

Finding the Fourth Proportional to 205,982.40, 308,779.20 and 184,987.20

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Solution

The fourth proportional to 205,982.40, 308,779.20 and 184,987.20 is: 277,306.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,982.40 : 308,779.20 = 184,987.20 : x
  2. Step 2: Convert to fraction form
    205,982.40/308,779.20 = 184,987.20/x
  3. Step 3: Cross multiply
    205,982.40x = 308,779.20 × 184,987.20
  4. Step 4: Simplify right side
    205,982.40x = 57,120,199,626.24
  5. Step 5: Solve for x
    x = 57,120,199,626.24/205,982.40
  6. Step 6: Final answer
    x = 277,306.21

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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.