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Finding the Fourth Proportional to 255,330.96, 382,995.84 and 77,839.44

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Solution

The fourth proportional to 255,330.96, 382,995.84 and 77,839.44 is: 116,758.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,330.96 : 382,995.84 = 77,839.44 : x
  2. Step 2: Convert to fraction form
    255,330.96/382,995.84 = 77,839.44/x
  3. Step 3: Cross multiply
    255,330.96x = 382,995.84 × 77,839.44
  4. Step 4: Simplify right side
    255,330.96x = 29,812,181,707.93
  5. Step 5: Solve for x
    x = 29,812,181,707.93/255,330.96
  6. Step 6: Final answer
    x = 116,758.98

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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.