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Finding the Fourth Proportional to 362,431.80, 543,777.30 and 152,134.20

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Solution

The fourth proportional to 362,431.80, 543,777.30 and 152,134.20 is: 228,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,431.80 : 543,777.30 = 152,134.20 : x
  2. Step 2: Convert to fraction form
    362,431.80/543,777.30 = 152,134.20/x
  3. Step 3: Cross multiply
    362,431.80x = 543,777.30 × 152,134.20
  4. Step 4: Simplify right side
    362,431.80x = 82,727,124,513.66
  5. Step 5: Solve for x
    x = 82,727,124,513.66/362,431.80
  6. Step 6: Final answer
    x = 228,255.70

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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.