Home / 399,349.36-598,836.84-146,566.72

Finding the Fourth Proportional to 399,349.36, 598,836.84 and 146,566.72

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Solution

The fourth proportional to 399,349.36, 598,836.84 and 146,566.72 is: 219,781.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,349.36 : 598,836.84 = 146,566.72 : x
  2. Step 2: Convert to fraction form
    399,349.36/598,836.84 = 146,566.72/x
  3. Step 3: Cross multiply
    399,349.36x = 598,836.84 × 146,566.72
  4. Step 4: Simplify right side
    399,349.36x = 87,769,551,453.96
  5. Step 5: Solve for x
    x = 87,769,551,453.96/399,349.36
  6. Step 6: Final answer
    x = 219,781.38

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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.