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Finding the Fourth Proportional to 255,079.76, 352,009.80 and 141,900.08

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Solution

The fourth proportional to 255,079.76, 352,009.80 and 141,900.08 is: 195,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,079.76 : 352,009.80 = 141,900.08 : x
  2. Step 2: Convert to fraction form
    255,079.76/352,009.80 = 141,900.08/x
  3. Step 3: Cross multiply
    255,079.76x = 352,009.80 × 141,900.08
  4. Step 4: Simplify right side
    255,079.76x = 49,950,218,780.78
  5. Step 5: Solve for x
    x = 49,950,218,780.78/255,079.76
  6. Step 6: Final answer
    x = 195,821.96

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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.