Home / 299,868.66-449,927.93-131,509.81

Finding the Fourth Proportional to 299,868.66, 449,927.93 and 131,509.81

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Solution

The fourth proportional to 299,868.66, 449,927.93 and 131,509.81 is: 197,319.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,868.66 : 449,927.93 = 131,509.81 : x
  2. Step 2: Convert to fraction form
    299,868.66/449,927.93 = 131,509.81/x
  3. Step 3: Cross multiply
    299,868.66x = 449,927.93 × 131,509.81
  4. Step 4: Simplify right side
    299,868.66x = 59,169,936,587.99
  5. Step 5: Solve for x
    x = 59,169,936,587.99/299,868.66
  6. Step 6: Final answer
    x = 197,319.51

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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.