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Finding the Fourth Proportional to 155,817.80, 233,784.30 and 50,640.20

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Solution

The fourth proportional to 155,817.80, 233,784.30 and 50,640.20 is: 75,979.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,817.80 : 233,784.30 = 50,640.20 : x
  2. Step 2: Convert to fraction form
    155,817.80/233,784.30 = 50,640.20/x
  3. Step 3: Cross multiply
    155,817.80x = 233,784.30 × 50,640.20
  4. Step 4: Simplify right side
    155,817.80x = 11,838,883,708.86
  5. Step 5: Solve for x
    x = 11,838,883,708.86/155,817.80
  6. Step 6: Final answer
    x = 75,979.02

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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.