Home / 389,289.26-537,219.60-228,112.22

Finding the Fourth Proportional to 389,289.26, 537,219.60 and 228,112.22

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Solution

The fourth proportional to 389,289.26, 537,219.60 and 228,112.22 is: 314,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,289.26 : 537,219.60 = 228,112.22 : x
  2. Step 2: Convert to fraction form
    389,289.26/537,219.60 = 228,112.22/x
  3. Step 3: Cross multiply
    389,289.26x = 537,219.60 × 228,112.22
  4. Step 4: Simplify right side
    389,289.26x = 122,546,355,583.51
  5. Step 5: Solve for x
    x = 122,546,355,583.51/389,289.26
  6. Step 6: Final answer
    x = 314,795.11

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1.5x scale

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.