Home / 439,006.05-658,509.06-123,462.93

Finding the Fourth Proportional to 439,006.05, 658,509.06 and 123,462.93

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Solution

The fourth proportional to 439,006.05, 658,509.06 and 123,462.93 is: 185,194.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,006.05 : 658,509.06 = 123,462.93 : x
  2. Step 2: Convert to fraction form
    439,006.05/658,509.06 = 123,462.93/x
  3. Step 3: Cross multiply
    439,006.05x = 658,509.06 × 123,462.93
  4. Step 4: Simplify right side
    439,006.05x = 81,301,457,979.15
  5. Step 5: Solve for x
    x = 81,301,457,979.15/439,006.05
  6. Step 6: Final answer
    x = 185,194.39

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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.