Home / 255,171.24-382,798.05-77,636.43

Finding the Fourth Proportional to 255,171.24, 382,798.05 and 77,636.43

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Solution

The fourth proportional to 255,171.24, 382,798.05 and 77,636.43 is: 116,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,171.24 : 382,798.05 = 77,636.43 : x
  2. Step 2: Convert to fraction form
    255,171.24/382,798.05 = 77,636.43/x
  3. Step 3: Cross multiply
    255,171.24x = 382,798.05 × 77,636.43
  4. Step 4: Simplify right side
    255,171.24x = 29,719,074,012.96
  5. Step 5: Solve for x
    x = 29,719,074,012.96/255,171.24
  6. Step 6: Final answer
    x = 116,467.18

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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.