Home / 242,721.90-363,910.05-92,904.30

Finding the Fourth Proportional to 242,721.90, 363,910.05 and 92,904.30

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Solution

The fourth proportional to 242,721.90, 363,910.05 and 92,904.30 is: 139,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,721.90 : 363,910.05 = 92,904.30 : x
  2. Step 2: Convert to fraction form
    242,721.90/363,910.05 = 92,904.30/x
  3. Step 3: Cross multiply
    242,721.90x = 363,910.05 × 92,904.30
  4. Step 4: Simplify right side
    242,721.90x = 33,808,808,458.22
  5. Step 5: Solve for x
    x = 33,808,808,458.22/242,721.90
  6. Step 6: Final answer
    x = 139,290.31

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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.