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Finding the Fourth Proportional to 247,159.97, 370,490.67 and 97,342.37

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Solution

The fourth proportional to 247,159.97, 370,490.67 and 97,342.37 is: 145,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,159.97 : 370,490.67 = 97,342.37 : x
  2. Step 2: Convert to fraction form
    247,159.97/370,490.67 = 97,342.37/x
  3. Step 3: Cross multiply
    247,159.97x = 370,490.67 × 97,342.37
  4. Step 4: Simplify right side
    247,159.97x = 36,064,439,880.69
  5. Step 5: Solve for x
    x = 36,064,439,880.69/247,159.97
  6. Step 6: Final answer
    x = 145,915.38

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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.