Home / 355,016.42-489,968.97-202,024.83

Finding the Fourth Proportional to 355,016.42, 489,968.97 and 202,024.83

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Solution

The fourth proportional to 355,016.42, 489,968.97 and 202,024.83 is: 278,820.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,016.42 : 489,968.97 = 202,024.83 : x
  2. Step 2: Convert to fraction form
    355,016.42/489,968.97 = 202,024.83/x
  3. Step 3: Cross multiply
    355,016.42x = 489,968.97 × 202,024.83
  4. Step 4: Simplify right side
    355,016.42x = 98,985,898,949.32
  5. Step 5: Solve for x
    x = 98,985,898,949.32/355,016.42
  6. Step 6: Final answer
    x = 278,820.62

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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.