Home / 354,055.04-488,528.36-208,906.48

Finding the Fourth Proportional to 354,055.04, 488,528.36 and 208,906.48

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Solution

The fourth proportional to 354,055.04, 488,528.36 and 208,906.48 is: 288,251.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,055.04 : 488,528.36 = 208,906.48 : x
  2. Step 2: Convert to fraction form
    354,055.04/488,528.36 = 208,906.48/x
  3. Step 3: Cross multiply
    354,055.04x = 488,528.36 × 208,906.48
  4. Step 4: Simplify right side
    354,055.04x = 102,056,740,067.77
  5. Step 5: Solve for x
    x = 102,056,740,067.77/354,055.04
  6. Step 6: Final answer
    x = 288,251.06

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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.