Home / 237,819.45-328,187.10-130,390.41

Finding the Fourth Proportional to 237,819.45, 328,187.10 and 130,390.41

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Solution

The fourth proportional to 237,819.45, 328,187.10 and 130,390.41 is: 179,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,819.45 : 328,187.10 = 130,390.41 : x
  2. Step 2: Convert to fraction form
    237,819.45/328,187.10 = 130,390.41/x
  3. Step 3: Cross multiply
    237,819.45x = 328,187.10 × 130,390.41
  4. Step 4: Simplify right side
    237,819.45x = 42,792,450,525.71
  5. Step 5: Solve for x
    x = 42,792,450,525.71/237,819.45
  6. Step 6: Final answer
    x = 179,936.71

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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.