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Finding the Fourth Proportional to 484,611.32, 727,228.02 and 235,157.24

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Solution

The fourth proportional to 484,611.32, 727,228.02 and 235,157.24 is: 352,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,611.32 : 727,228.02 = 235,157.24 : x
  2. Step 2: Convert to fraction form
    484,611.32/727,228.02 = 235,157.24/x
  3. Step 3: Cross multiply
    484,611.32x = 727,228.02 × 235,157.24
  4. Step 4: Simplify right side
    484,611.32x = 171,012,934,033.87
  5. Step 5: Solve for x
    x = 171,012,934,033.87/484,611.32
  6. Step 6: Final answer
    x = 352,886.79

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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.