Home / 525,715.12-789,133.80-226,343.92

Finding the Fourth Proportional to 525,715.12, 789,133.80 and 226,343.92

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Solution

The fourth proportional to 525,715.12, 789,133.80 and 226,343.92 is: 339,757.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,715.12 : 789,133.80 = 226,343.92 : x
  2. Step 2: Convert to fraction form
    525,715.12/789,133.80 = 226,343.92/x
  3. Step 3: Cross multiply
    525,715.12x = 789,133.80 × 226,343.92
  4. Step 4: Simplify right side
    525,715.12x = 178,615,637,696.50
  5. Step 5: Solve for x
    x = 178,615,637,696.50/525,715.12
  6. Step 6: Final answer
    x = 339,757.47

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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.