Home / 353,442.60-529,818.30-142,799.40

Finding the Fourth Proportional to 353,442.60, 529,818.30 and 142,799.40

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Solution

The fourth proportional to 353,442.60, 529,818.30 and 142,799.40 is: 214,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,442.60 : 529,818.30 = 142,799.40 : x
  2. Step 2: Convert to fraction form
    353,442.60/529,818.30 = 142,799.40/x
  3. Step 3: Cross multiply
    353,442.60x = 529,818.30 × 142,799.40
  4. Step 4: Simplify right side
    353,442.60x = 75,657,735,349.02
  5. Step 5: Solve for x
    x = 75,657,735,349.02/353,442.60
  6. Step 6: Final answer
    x = 214,059.47

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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.