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Finding the Fourth Proportional to 255,852, 383,279.28 and 155,763.92

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Solution

The fourth proportional to 255,852, 383,279.28 and 155,763.92 is: 233,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,852 : 383,279.28 = 155,763.92 : x
  2. Step 2: Convert to fraction form
    255,852/383,279.28 = 155,763.92/x
  3. Step 3: Cross multiply
    255,852x = 383,279.28 × 155,763.92
  4. Step 4: Simplify right side
    255,852x = 59,701,083,107.58
  5. Step 5: Solve for x
    x = 59,701,083,107.58/255,852
  6. Step 6: Final answer
    x = 233,342.26

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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.