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Finding the Fourth Proportional to 362,167.80, 543,251.70 and 228,323.40

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Solution

The fourth proportional to 362,167.80, 543,251.70 and 228,323.40 is: 342,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,167.80 : 543,251.70 = 228,323.40 : x
  2. Step 2: Convert to fraction form
    362,167.80/543,251.70 = 228,323.40/x
  3. Step 3: Cross multiply
    362,167.80x = 543,251.70 × 228,323.40
  4. Step 4: Simplify right side
    362,167.80x = 124,037,075,199.78
  5. Step 5: Solve for x
    x = 124,037,075,199.78/362,167.80
  6. Step 6: Final answer
    x = 342,485.10

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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.