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Finding the Fourth Proportional to 255,332.24, 383,055.12 and 77,852.96

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Solution

The fourth proportional to 255,332.24, 383,055.12 and 77,852.96 is: 116,796.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,332.24 : 383,055.12 = 77,852.96 : x
  2. Step 2: Convert to fraction form
    255,332.24/383,055.12 = 77,852.96/x
  3. Step 3: Cross multiply
    255,332.24x = 383,055.12 × 77,852.96
  4. Step 4: Simplify right side
    255,332.24x = 29,821,974,935.16
  5. Step 5: Solve for x
    x = 29,821,974,935.16/255,332.24
  6. Step 6: Final answer
    x = 116,796.75

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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.