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Finding the Fourth Proportional to 369,555.36, 510,117.48 and 218,652

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Solution

The fourth proportional to 369,555.36, 510,117.48 and 218,652 is: 301,817.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,555.36 : 510,117.48 = 218,652 : x
  2. Step 2: Convert to fraction form
    369,555.36/510,117.48 = 218,652/x
  3. Step 3: Cross multiply
    369,555.36x = 510,117.48 × 218,652
  4. Step 4: Simplify right side
    369,555.36x = 111,538,207,236.96
  5. Step 5: Solve for x
    x = 111,538,207,236.96/369,555.36
  6. Step 6: Final answer
    x = 301,817.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.