Home / 318,272.78-477,424.10-105,059.27

Finding the Fourth Proportional to 318,272.78, 477,424.10 and 105,059.27

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Solution

The fourth proportional to 318,272.78, 477,424.10 and 105,059.27 is: 157,593.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,272.78 : 477,424.10 = 105,059.27 : x
  2. Step 2: Convert to fraction form
    318,272.78/477,424.10 = 105,059.27/x
  3. Step 3: Cross multiply
    318,272.78x = 477,424.10 × 105,059.27
  4. Step 4: Simplify right side
    318,272.78x = 50,157,828,882.62
  5. Step 5: Solve for x
    x = 50,157,828,882.62/318,272.78
  6. Step 6: Final answer
    x = 157,593.84

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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.