Home / 298,109.02-411,395.76-162,145.96

Finding the Fourth Proportional to 298,109.02, 411,395.76 and 162,145.96

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Solution

The fourth proportional to 298,109.02, 411,395.76 and 162,145.96 is: 223,764.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,109.02 : 411,395.76 = 162,145.96 : x
  2. Step 2: Convert to fraction form
    298,109.02/411,395.76 = 162,145.96/x
  3. Step 3: Cross multiply
    298,109.02x = 411,395.76 × 162,145.96
  4. Step 4: Simplify right side
    298,109.02x = 66,706,160,445.13
  5. Step 5: Solve for x
    x = 66,706,160,445.13/298,109.02
  6. Step 6: Final answer
    x = 223,764.31

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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.