Home / 268,183.62-402,441.54-155,916.67

Finding the Fourth Proportional to 268,183.62, 402,441.54 and 155,916.67

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Solution

The fourth proportional to 268,183.62, 402,441.54 and 155,916.67 is: 233,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,183.62 : 402,441.54 = 155,916.67 : x
  2. Step 2: Convert to fraction form
    268,183.62/402,441.54 = 155,916.67/x
  3. Step 3: Cross multiply
    268,183.62x = 402,441.54 × 155,916.67
  4. Step 4: Simplify right side
    268,183.62x = 62,747,344,786.47
  5. Step 5: Solve for x
    x = 62,747,344,786.47/268,183.62
  6. Step 6: Final answer
    x = 233,971.58

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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.