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Finding the Fourth Proportional to 255,323.31, 352,292.76 and 147,886.94

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Solution

The fourth proportional to 255,323.31, 352,292.76 and 147,886.94 is: 204,053.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,323.31 : 352,292.76 = 147,886.94 : x
  2. Step 2: Convert to fraction form
    255,323.31/352,292.76 = 147,886.94/x
  3. Step 3: Cross multiply
    255,323.31x = 352,292.76 × 147,886.94
  4. Step 4: Simplify right side
    255,323.31x = 52,099,496,499.09
  5. Step 5: Solve for x
    x = 52,099,496,499.09/255,323.31
  6. Step 6: Final answer
    x = 204,053.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.