Home / 298,108.02-411,394.38-162,144.96

Finding the Fourth Proportional to 298,108.02, 411,394.38 and 162,144.96

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Solution

The fourth proportional to 298,108.02, 411,394.38 and 162,144.96 is: 223,762.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,108.02 : 411,394.38 = 162,144.96 : x
  2. Step 2: Convert to fraction form
    298,108.02/411,394.38 = 162,144.96/x
  3. Step 3: Cross multiply
    298,108.02x = 411,394.38 × 162,144.96
  4. Step 4: Simplify right side
    298,108.02x = 66,705,525,289.32
  5. Step 5: Solve for x
    x = 66,705,525,289.32/298,108.02
  6. Step 6: Final answer
    x = 223,762.93

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1.5x scale

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.