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Finding the Fourth Proportional to 255,293.48, 382,954.61 and 77,806.28

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Solution

The fourth proportional to 255,293.48, 382,954.61 and 77,806.28 is: 116,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,293.48 : 382,954.61 = 77,806.28 : x
  2. Step 2: Convert to fraction form
    255,293.48/382,954.61 = 77,806.28/x
  3. Step 3: Cross multiply
    255,293.48x = 382,954.61 × 77,806.28
  4. Step 4: Simplify right side
    255,293.48x = 29,796,271,892.69
  5. Step 5: Solve for x
    x = 29,796,271,892.69/255,293.48
  6. Step 6: Final answer
    x = 116,713.80

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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.