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Finding the Fourth Proportional to 201,195.60, 277,649.86 and 110,557.40

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Solution

The fourth proportional to 201,195.60, 277,649.86 and 110,557.40 is: 152,569.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,195.60 : 277,649.86 = 110,557.40 : x
  2. Step 2: Convert to fraction form
    201,195.60/277,649.86 = 110,557.40/x
  3. Step 3: Cross multiply
    201,195.60x = 277,649.86 × 110,557.40
  4. Step 4: Simplify right side
    201,195.60x = 30,696,246,263.25
  5. Step 5: Solve for x
    x = 30,696,246,263.25/201,195.60
  6. Step 6: Final answer
    x = 152,569.18

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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.