Home / 308,868.12-463,601.79-149,056.53

Finding the Fourth Proportional to 308,868.12, 463,601.79 and 149,056.53

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Solution

The fourth proportional to 308,868.12, 463,601.79 and 149,056.53 is: 223,729.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,868.12 : 463,601.79 = 149,056.53 : x
  2. Step 2: Convert to fraction form
    308,868.12/463,601.79 = 149,056.53/x
  3. Step 3: Cross multiply
    308,868.12x = 463,601.79 × 149,056.53
  4. Step 4: Simplify right side
    308,868.12x = 69,102,874,119.19
  5. Step 5: Solve for x
    x = 69,102,874,119.19/308,868.12
  6. Step 6: Final answer
    x = 223,729.38

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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.