Home / 279,571.07-385,812.51-152,246.57

Finding the Fourth Proportional to 279,571.07, 385,812.51 and 152,246.57

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Solution

The fourth proportional to 279,571.07, 385,812.51 and 152,246.57 is: 210,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,571.07 : 385,812.51 = 152,246.57 : x
  2. Step 2: Convert to fraction form
    279,571.07/385,812.51 = 152,246.57/x
  3. Step 3: Cross multiply
    279,571.07x = 385,812.51 × 152,246.57
  4. Step 4: Simplify right side
    279,571.07x = 58,738,628,620.30
  5. Step 5: Solve for x
    x = 58,738,628,620.30/279,571.07
  6. Step 6: Final answer
    x = 210,102.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.