Home / 289,183.02-433,648.67-137,424.12

Finding the Fourth Proportional to 289,183.02, 433,648.67 and 137,424.12

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Solution

The fourth proportional to 289,183.02, 433,648.67 and 137,424.12 is: 206,076.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,183.02 : 433,648.67 = 137,424.12 : x
  2. Step 2: Convert to fraction form
    289,183.02/433,648.67 = 137,424.12/x
  3. Step 3: Cross multiply
    289,183.02x = 433,648.67 × 137,424.12
  4. Step 4: Simplify right side
    289,183.02x = 59,593,786,176.80
  5. Step 5: Solve for x
    x = 59,593,786,176.80/289,183.02
  6. Step 6: Final answer
    x = 206,076.37

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1.5x scale

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.