Home / 279,890.02-386,233.66-159,014.53

Finding the Fourth Proportional to 279,890.02, 386,233.66 and 159,014.53

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Solution

The fourth proportional to 279,890.02, 386,233.66 and 159,014.53 is: 219,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,890.02 : 386,233.66 = 159,014.53 : x
  2. Step 2: Convert to fraction form
    279,890.02/386,233.66 = 159,014.53/x
  3. Step 3: Cross multiply
    279,890.02x = 386,233.66 × 159,014.53
  4. Step 4: Simplify right side
    279,890.02x = 61,416,763,702.18
  5. Step 5: Solve for x
    x = 61,416,763,702.18/279,890.02
  6. Step 6: Final answer
    x = 219,431.77

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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.