Home / 251,276.40-346,764.78-136,557.30

Finding the Fourth Proportional to 251,276.40, 346,764.78 and 136,557.30

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Solution

The fourth proportional to 251,276.40, 346,764.78 and 136,557.30 is: 188,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,276.40 : 346,764.78 = 136,557.30 : x
  2. Step 2: Convert to fraction form
    251,276.40/346,764.78 = 136,557.30/x
  3. Step 3: Cross multiply
    251,276.40x = 346,764.78 × 136,557.30
  4. Step 4: Simplify right side
    251,276.40x = 47,353,262,091.89
  5. Step 5: Solve for x
    x = 47,353,262,091.89/251,276.40
  6. Step 6: Final answer
    x = 188,450.89

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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.