Home / 209,619.60-314,429.40-59,859.60

Finding the Fourth Proportional to 209,619.60, 314,429.40 and 59,859.60

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Solution

The fourth proportional to 209,619.60, 314,429.40 and 59,859.60 is: 89,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,619.60 : 314,429.40 = 59,859.60 : x
  2. Step 2: Convert to fraction form
    209,619.60/314,429.40 = 59,859.60/x
  3. Step 3: Cross multiply
    209,619.60x = 314,429.40 × 59,859.60
  4. Step 4: Simplify right side
    209,619.60x = 18,821,618,112.24
  5. Step 5: Solve for x
    x = 18,821,618,112.24/209,619.60
  6. Step 6: Final answer
    x = 89,789.40

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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.