Home / 668,516.80-1,002,667.60-195,091.20

Finding the Fourth Proportional to 668,516.80, 1,002,667.60 and 195,091.20

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Solution

The fourth proportional to 668,516.80, 1,002,667.60 and 195,091.20 is: 292,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,516.80 : 1,002,667.60 = 195,091.20 : x
  2. Step 2: Convert to fraction form
    668,516.80/1,002,667.60 = 195,091.20/x
  3. Step 3: Cross multiply
    668,516.80x = 1,002,667.60 × 195,091.20
  4. Step 4: Simplify right side
    668,516.80x = 195,611,625,285.12
  5. Step 5: Solve for x
    x = 195,611,625,285.12/668,516.80
  6. Step 6: Final answer
    x = 292,605.40

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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.