Home / 449,526.32-674,424.78-133,983.19

Finding the Fourth Proportional to 449,526.32, 674,424.78 and 133,983.19

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Solution

The fourth proportional to 449,526.32, 674,424.78 and 133,983.19 is: 201,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,526.32 : 674,424.78 = 133,983.19 : x
  2. Step 2: Convert to fraction form
    449,526.32/674,424.78 = 133,983.19/x
  3. Step 3: Cross multiply
    449,526.32x = 674,424.78 × 133,983.19
  4. Step 4: Simplify right side
    449,526.32x = 90,361,583,439.45
  5. Step 5: Solve for x
    x = 90,361,583,439.45/449,526.32
  6. Step 6: Final answer
    x = 201,015.11

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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.