Home / 238,970.30-329,611.04-157,272.53

Finding the Fourth Proportional to 238,970.30, 329,611.04 and 157,272.53

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Solution

The fourth proportional to 238,970.30, 329,611.04 and 157,272.53 is: 216,925.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,970.30 : 329,611.04 = 157,272.53 : x
  2. Step 2: Convert to fraction form
    238,970.30/329,611.04 = 157,272.53/x
  3. Step 3: Cross multiply
    238,970.30x = 329,611.04 × 157,272.53
  4. Step 4: Simplify right side
    238,970.30x = 51,838,760,921.86
  5. Step 5: Solve for x
    x = 51,838,760,921.86/238,970.30
  6. Step 6: Final answer
    x = 216,925.54

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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.