Home / 668,045.90-1,002,054.25-162,609.55

Finding the Fourth Proportional to 668,045.90, 1,002,054.25 and 162,609.55

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Solution

The fourth proportional to 668,045.90, 1,002,054.25 and 162,609.55 is: 243,910.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,045.90 : 1,002,054.25 = 162,609.55 : x
  2. Step 2: Convert to fraction form
    668,045.90/1,002,054.25 = 162,609.55/x
  3. Step 3: Cross multiply
    668,045.90x = 1,002,054.25 × 162,609.55
  4. Step 4: Simplify right side
    668,045.90x = 162,943,590,668.09
  5. Step 5: Solve for x
    x = 162,943,590,668.09/668,045.90
  6. Step 6: Final answer
    x = 243,910.77

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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.