Home / 577,110.96-865,709.93-172,271.18

Finding the Fourth Proportional to 577,110.96, 865,709.93 and 172,271.18

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Solution

The fourth proportional to 577,110.96, 865,709.93 and 172,271.18 is: 258,419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,110.96 : 865,709.93 = 172,271.18 : x
  2. Step 2: Convert to fraction form
    577,110.96/865,709.93 = 172,271.18/x
  3. Step 3: Cross multiply
    577,110.96x = 865,709.93 × 172,271.18
  4. Step 4: Simplify right side
    577,110.96x = 149,136,873,773.77
  5. Step 5: Solve for x
    x = 149,136,873,773.77/577,110.96
  6. Step 6: Final answer
    x = 258,419.76

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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.