Home / 205,918.60-308,273.10-153,560.20

Finding the Fourth Proportional to 205,918.60, 308,273.10 and 153,560.20

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Solution

The fourth proportional to 205,918.60, 308,273.10 and 153,560.20 is: 229,889.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,918.60 : 308,273.10 = 153,560.20 : x
  2. Step 2: Convert to fraction form
    205,918.60/308,273.10 = 153,560.20/x
  3. Step 3: Cross multiply
    205,918.60x = 308,273.10 × 153,560.20
  4. Step 4: Simplify right side
    205,918.60x = 47,338,478,890.62
  5. Step 5: Solve for x
    x = 47,338,478,890.62/205,918.60
  6. Step 6: Final answer
    x = 229,889.28

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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.