Home / 352,905.60-529,358.40-268,924.80

Finding the Fourth Proportional to 352,905.60, 529,358.40 and 268,924.80

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Solution

The fourth proportional to 352,905.60, 529,358.40 and 268,924.80 is: 403,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,905.60 : 529,358.40 = 268,924.80 : x
  2. Step 2: Convert to fraction form
    352,905.60/529,358.40 = 268,924.80/x
  3. Step 3: Cross multiply
    352,905.60x = 529,358.40 × 268,924.80
  4. Step 4: Simplify right side
    352,905.60x = 142,357,601,848.32
  5. Step 5: Solve for x
    x = 142,357,601,848.32/352,905.60
  6. Step 6: Final answer
    x = 403,387.20

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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.