Home / 426,864.38-640,321.62-160,627.19

Finding the Fourth Proportional to 426,864.38, 640,321.62 and 160,627.19

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Solution

The fourth proportional to 426,864.38, 640,321.62 and 160,627.19 is: 240,950.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,864.38 : 640,321.62 = 160,627.19 : x
  2. Step 2: Convert to fraction form
    426,864.38/640,321.62 = 160,627.19/x
  3. Step 3: Cross multiply
    426,864.38x = 640,321.62 × 160,627.19
  4. Step 4: Simplify right side
    426,864.38x = 102,853,058,712.89
  5. Step 5: Solve for x
    x = 102,853,058,712.89/426,864.38
  6. Step 6: Final answer
    x = 240,950.21

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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.