Home / 340,566.60-509,975.10-269,999.40

Finding the Fourth Proportional to 340,566.60, 509,975.10 and 269,999.40

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Solution

The fourth proportional to 340,566.60, 509,975.10 and 269,999.40 is: 404,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,566.60 : 509,975.10 = 269,999.40 : x
  2. Step 2: Convert to fraction form
    340,566.60/509,975.10 = 269,999.40/x
  3. Step 3: Cross multiply
    340,566.60x = 509,975.10 × 269,999.40
  4. Step 4: Simplify right side
    340,566.60x = 137,692,971,014.94
  5. Step 5: Solve for x
    x = 137,692,971,014.94/340,566.60
  6. Step 6: Final answer
    x = 404,305.56

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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.