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Finding the Fourth Proportional to 255,008.76, 382,556.90 and 77,533.71

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Solution

The fourth proportional to 255,008.76, 382,556.90 and 77,533.71 is: 116,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,008.76 : 382,556.90 = 77,533.71 : x
  2. Step 2: Convert to fraction form
    255,008.76/382,556.90 = 77,533.71/x
  3. Step 3: Cross multiply
    255,008.76x = 382,556.90 × 77,533.71
  4. Step 4: Simplify right side
    255,008.76x = 29,661,055,355.43
  5. Step 5: Solve for x
    x = 29,661,055,355.43/255,008.76
  6. Step 6: Final answer
    x = 116,313.87

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1.5x scale

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.