Home / 340,582.60-509,999.10-270,015.40

Finding the Fourth Proportional to 340,582.60, 509,999.10 and 270,015.40

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Solution

The fourth proportional to 340,582.60, 509,999.10 and 270,015.40 is: 404,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,582.60 : 509,999.10 = 270,015.40 : x
  2. Step 2: Convert to fraction form
    340,582.60/509,999.10 = 270,015.40/x
  3. Step 3: Cross multiply
    340,582.60x = 509,999.10 × 270,015.40
  4. Step 4: Simplify right side
    340,582.60x = 137,707,610,986.14
  5. Step 5: Solve for x
    x = 137,707,610,986.14/340,582.60
  6. Step 6: Final answer
    x = 404,329.55

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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.