Home / 222,300.61-306,804.05-126,785.41

Finding the Fourth Proportional to 222,300.61, 306,804.05 and 126,785.41

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Solution

The fourth proportional to 222,300.61, 306,804.05 and 126,785.41 is: 174,980.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,300.61 : 306,804.05 = 126,785.41 : x
  2. Step 2: Convert to fraction form
    222,300.61/306,804.05 = 126,785.41/x
  3. Step 3: Cross multiply
    222,300.61x = 306,804.05 × 126,785.41
  4. Step 4: Simplify right side
    222,300.61x = 38,898,276,634.98
  5. Step 5: Solve for x
    x = 38,898,276,634.98/222,300.61
  6. Step 6: Final answer
    x = 174,980.52

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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.