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Finding the Fourth Proportional to 369,617.60, 554,685.60 and 236,820.80

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Solution

The fourth proportional to 369,617.60, 554,685.60 and 236,820.80 is: 355,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,617.60 : 554,685.60 = 236,820.80 : x
  2. Step 2: Convert to fraction form
    369,617.60/554,685.60 = 236,820.80/x
  3. Step 3: Cross multiply
    369,617.60x = 554,685.60 × 236,820.80
  4. Step 4: Simplify right side
    369,617.60x = 131,361,087,540.48
  5. Step 5: Solve for x
    x = 131,361,087,540.48/369,617.60
  6. Step 6: Final answer
    x = 355,397.27

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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.