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Finding the Fourth Proportional to 255,323.08, 352,323.30 and 147,858.76

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Solution

The fourth proportional to 255,323.08, 352,323.30 and 147,858.76 is: 204,032.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,323.08 : 352,323.30 = 147,858.76 : x
  2. Step 2: Convert to fraction form
    255,323.08/352,323.30 = 147,858.76/x
  3. Step 3: Cross multiply
    255,323.08x = 352,323.30 × 147,858.76
  4. Step 4: Simplify right side
    255,323.08x = 52,094,086,257.11
  5. Step 5: Solve for x
    x = 52,094,086,257.11/255,323.08
  6. Step 6: Final answer
    x = 204,032.03

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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.