Home / 486,284.06-729,533.88-186,764.69

Finding the Fourth Proportional to 486,284.06, 729,533.88 and 186,764.69

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Solution

The fourth proportional to 486,284.06, 729,533.88 and 186,764.69 is: 280,188.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,284.06 : 729,533.88 = 186,764.69 : x
  2. Step 2: Convert to fraction form
    486,284.06/729,533.88 = 186,764.69/x
  3. Step 3: Cross multiply
    486,284.06x = 729,533.88 × 186,764.69
  4. Step 4: Simplify right side
    486,284.06x = 136,251,165,295.03
  5. Step 5: Solve for x
    x = 136,251,165,295.03/486,284.06
  6. Step 6: Final answer
    x = 280,188.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.