Home / 383,531.60-529,271.88-222,480.08

Finding the Fourth Proportional to 383,531.60, 529,271.88 and 222,480.08

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Solution

The fourth proportional to 383,531.60, 529,271.88 and 222,480.08 is: 307,021.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,531.60 : 529,271.88 = 222,480.08 : x
  2. Step 2: Convert to fraction form
    383,531.60/529,271.88 = 222,480.08/x
  3. Step 3: Cross multiply
    383,531.60x = 529,271.88 × 222,480.08
  4. Step 4: Simplify right side
    383,531.60x = 117,752,450,204.15
  5. Step 5: Solve for x
    x = 117,752,450,204.15/383,531.60
  6. Step 6: Final answer
    x = 307,021.51

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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.