Home / 152,312.22-228,504.78-47,131.20

Finding the Fourth Proportional to 152,312.22, 228,504.78 and 47,131.20

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Solution

The fourth proportional to 152,312.22, 228,504.78 and 47,131.20 is: 70,708.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,312.22 : 228,504.78 = 47,131.20 : x
  2. Step 2: Convert to fraction form
    152,312.22/228,504.78 = 47,131.20/x
  3. Step 3: Cross multiply
    152,312.22x = 228,504.78 × 47,131.20
  4. Step 4: Simplify right side
    152,312.22x = 10,769,704,487.14
  5. Step 5: Solve for x
    x = 10,769,704,487.14/152,312.22
  6. Step 6: Final answer
    x = 70,708.08

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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.