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Finding the Fourth Proportional to 239,232.90, 329,919.64 and 174,599.76

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Solution

The fourth proportional to 239,232.90, 329,919.64 and 174,599.76 is: 240,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,232.90 : 329,919.64 = 174,599.76 : x
  2. Step 2: Convert to fraction form
    239,232.90/329,919.64 = 174,599.76/x
  3. Step 3: Cross multiply
    239,232.90x = 329,919.64 × 174,599.76
  4. Step 4: Simplify right side
    239,232.90x = 57,603,889,963.29
  5. Step 5: Solve for x
    x = 57,603,889,963.29/239,232.90
  6. Step 6: Final answer
    x = 240,785.82

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1.5x scale

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.