Home / 352,938.40-529,537.20-142,597.60

Finding the Fourth Proportional to 352,938.40, 529,537.20 and 142,597.60

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Solution

The fourth proportional to 352,938.40, 529,537.20 and 142,597.60 is: 213,948.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,938.40 : 529,537.20 = 142,597.60 : x
  2. Step 2: Convert to fraction form
    352,938.40/529,537.20 = 142,597.60/x
  3. Step 3: Cross multiply
    352,938.40x = 529,537.20 × 142,597.60
  4. Step 4: Simplify right side
    352,938.40x = 75,510,733,830.72
  5. Step 5: Solve for x
    x = 75,510,733,830.72/352,938.40
  6. Step 6: Final answer
    x = 213,948.76

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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.