Home / 369,929.60-510,504.56-208,791.44

Finding the Fourth Proportional to 369,929.60, 510,504.56 and 208,791.44

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Solution

The fourth proportional to 369,929.60, 510,504.56 and 208,791.44 is: 288,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,929.60 : 510,504.56 = 208,791.44 : x
  2. Step 2: Convert to fraction form
    369,929.60/510,504.56 = 208,791.44/x
  3. Step 3: Cross multiply
    369,929.60x = 510,504.56 × 208,791.44
  4. Step 4: Simplify right side
    369,929.60x = 106,588,982,208.97
  5. Step 5: Solve for x
    x = 106,588,982,208.97/369,929.60
  6. Step 6: Final answer
    x = 288,133.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.