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Finding the Fourth Proportional to 255,495, 383,240.54 and 65,939.24

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Solution

The fourth proportional to 255,495, 383,240.54 and 65,939.24 is: 98,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,495 : 383,240.54 = 65,939.24 : x
  2. Step 2: Convert to fraction form
    255,495/383,240.54 = 65,939.24/x
  3. Step 3: Cross multiply
    255,495x = 383,240.54 × 65,939.24
  4. Step 4: Simplify right side
    255,495x = 25,270,589,944.79
  5. Step 5: Solve for x
    x = 25,270,589,944.79/255,495
  6. Step 6: Final answer
    x = 98,908.35

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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.