Home / 297,915.60-446,621.64-129,308.40

Finding the Fourth Proportional to 297,915.60, 446,621.64 and 129,308.40

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Solution

The fourth proportional to 297,915.60, 446,621.64 and 129,308.40 is: 193,853.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,915.60 : 446,621.64 = 129,308.40 : x
  2. Step 2: Convert to fraction form
    297,915.60/446,621.64 = 129,308.40/x
  3. Step 3: Cross multiply
    297,915.60x = 446,621.64 × 129,308.40
  4. Step 4: Simplify right side
    297,915.60x = 57,751,929,673.78
  5. Step 5: Solve for x
    x = 57,751,929,673.78/297,915.60
  6. Step 6: Final answer
    x = 193,853.33

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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.