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Finding the Fourth Proportional to 175,288, 241,897.44 and 99,880.24

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Solution

The fourth proportional to 175,288, 241,897.44 and 99,880.24 is: 137,834.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,288 : 241,897.44 = 99,880.24 : x
  2. Step 2: Convert to fraction form
    175,288/241,897.44 = 99,880.24/x
  3. Step 3: Cross multiply
    175,288x = 241,897.44 × 99,880.24
  4. Step 4: Simplify right side
    175,288x = 24,160,774,362.59
  5. Step 5: Solve for x
    x = 24,160,774,362.59/175,288
  6. Step 6: Final answer
    x = 137,834.73

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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.