Home / 577,110.69-865,709.55-172,270.92

Finding the Fourth Proportional to 577,110.69, 865,709.55 and 172,270.92

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Solution

The fourth proportional to 577,110.69, 865,709.55 and 172,270.92 is: 258,419.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,110.69 : 865,709.55 = 172,270.92 : x
  2. Step 2: Convert to fraction form
    577,110.69/865,709.55 = 172,270.92/x
  3. Step 3: Cross multiply
    577,110.69x = 865,709.55 × 172,270.92
  4. Step 4: Simplify right side
    577,110.69x = 149,136,580,631.29
  5. Step 5: Solve for x
    x = 149,136,580,631.29/577,110.69
  6. Step 6: Final answer
    x = 258,419.37

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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.