Home / 371,223.88-556,445.20-236,390.48

Finding the Fourth Proportional to 371,223.88, 556,445.20 and 236,390.48

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Solution

The fourth proportional to 371,223.88, 556,445.20 and 236,390.48 is: 354,336.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,223.88 : 556,445.20 = 236,390.48 : x
  2. Step 2: Convert to fraction form
    371,223.88/556,445.20 = 236,390.48/x
  3. Step 3: Cross multiply
    371,223.88x = 556,445.20 × 236,390.48
  4. Step 4: Simplify right side
    371,223.88x = 131,538,347,921.70
  5. Step 5: Solve for x
    x = 131,538,347,921.70/371,223.88
  6. Step 6: Final answer
    x = 354,336.98

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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.