Home / 152,272.57-228,424.07-52,419.55

Finding the Fourth Proportional to 152,272.57, 228,424.07 and 52,419.55

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Solution

The fourth proportional to 152,272.57, 228,424.07 and 52,419.55 is: 78,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,272.57 : 228,424.07 = 52,419.55 : x
  2. Step 2: Convert to fraction form
    152,272.57/228,424.07 = 52,419.55/x
  3. Step 3: Cross multiply
    152,272.57x = 228,424.07 × 52,419.55
  4. Step 4: Simplify right side
    152,272.57x = 11,973,886,958.57
  5. Step 5: Solve for x
    x = 11,973,886,958.57/152,272.57
  6. Step 6: Final answer
    x = 78,634.56

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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.