Home / 218,325.83-301,326.32-126,431.69

Finding the Fourth Proportional to 218,325.83, 301,326.32 and 126,431.69

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Solution

The fourth proportional to 218,325.83, 301,326.32 and 126,431.69 is: 174,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,325.83 : 301,326.32 = 126,431.69 : x
  2. Step 2: Convert to fraction form
    218,325.83/301,326.32 = 126,431.69/x
  3. Step 3: Cross multiply
    218,325.83x = 301,326.32 × 126,431.69
  4. Step 4: Simplify right side
    218,325.83x = 38,097,195,246.92
  5. Step 5: Solve for x
    x = 38,097,195,246.92/218,325.83
  6. Step 6: Final answer
    x = 174,496.97

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1.5x scale

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.