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Finding the Fourth Proportional to 436,230.40, 653,859.60 and 169,902.40

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Solution

The fourth proportional to 436,230.40, 653,859.60 and 169,902.40 is: 254,664.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,230.40 : 653,859.60 = 169,902.40 : x
  2. Step 2: Convert to fraction form
    436,230.40/653,859.60 = 169,902.40/x
  3. Step 3: Cross multiply
    436,230.40x = 653,859.60 × 169,902.40
  4. Step 4: Simplify right side
    436,230.40x = 111,092,315,303.04
  5. Step 5: Solve for x
    x = 111,092,315,303.04/436,230.40
  6. Step 6: Final answer
    x = 254,664.31

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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.