Home / 668,210.12-1,002,317.15-162,771.33

Finding the Fourth Proportional to 668,210.12, 1,002,317.15 and 162,771.33

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Solution

The fourth proportional to 668,210.12, 1,002,317.15 and 162,771.33 is: 244,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,210.12 : 1,002,317.15 = 162,771.33 : x
  2. Step 2: Convert to fraction form
    668,210.12/1,002,317.15 = 162,771.33/x
  3. Step 3: Cross multiply
    668,210.12x = 1,002,317.15 × 162,771.33
  4. Step 4: Simplify right side
    668,210.12x = 163,148,499,752.93
  5. Step 5: Solve for x
    x = 163,148,499,752.93/668,210.12
  6. Step 6: Final answer
    x = 244,157.48

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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.