Home / 336,188.40-503,602.20-209,439.60

Finding the Fourth Proportional to 336,188.40, 503,602.20 and 209,439.60

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Solution

The fourth proportional to 336,188.40, 503,602.20 and 209,439.60 is: 313,735.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,188.40 : 503,602.20 = 209,439.60 : x
  2. Step 2: Convert to fraction form
    336,188.40/503,602.20 = 209,439.60/x
  3. Step 3: Cross multiply
    336,188.40x = 503,602.20 × 209,439.60
  4. Step 4: Simplify right side
    336,188.40x = 105,474,243,327.12
  5. Step 5: Solve for x
    x = 105,474,243,327.12/336,188.40
  6. Step 6: Final answer
    x = 313,735.52

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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.