Home / 399,227.14-598,759.73-146,421.56

Finding the Fourth Proportional to 399,227.14, 598,759.73 and 146,421.56

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Solution

The fourth proportional to 399,227.14, 598,759.73 and 146,421.56 is: 219,602.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,227.14 : 598,759.73 = 146,421.56 : x
  2. Step 2: Convert to fraction form
    399,227.14/598,759.73 = 146,421.56/x
  3. Step 3: Cross multiply
    399,227.14x = 598,759.73 × 146,421.56
  4. Step 4: Simplify right side
    399,227.14x = 87,671,333,731.78
  5. Step 5: Solve for x
    x = 87,671,333,731.78/399,227.14
  6. Step 6: Final answer
    x = 219,602.64

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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.