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Finding the Fourth Proportional to 255,018.50, 382,525.46 and 95,089

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Solution

The fourth proportional to 255,018.50, 382,525.46 and 95,089 is: 142,632.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,018.50 : 382,525.46 = 95,089 : x
  2. Step 2: Convert to fraction form
    255,018.50/382,525.46 = 95,089/x
  3. Step 3: Cross multiply
    255,018.50x = 382,525.46 × 95,089
  4. Step 4: Simplify right side
    255,018.50x = 36,373,963,465.94
  5. Step 5: Solve for x
    x = 36,373,963,465.94/255,018.50
  6. Step 6: Final answer
    x = 142,632.65

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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.