Home / 342,904-473,098.18-222,137.88

Finding the Fourth Proportional to 342,904, 473,098.18 and 222,137.88

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Solution

The fourth proportional to 342,904, 473,098.18 and 222,137.88 is: 306,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,904 : 473,098.18 = 222,137.88 : x
  2. Step 2: Convert to fraction form
    342,904/473,098.18 = 222,137.88/x
  3. Step 3: Cross multiply
    342,904x = 473,098.18 × 222,137.88
  4. Step 4: Simplify right side
    342,904x = 105,093,026,737.06
  5. Step 5: Solve for x
    x = 105,093,026,737.06/342,904
  6. Step 6: Final answer
    x = 306,479.44

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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.