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Finding the Fourth Proportional to 272,014.74, 408,155.76 and 122,360.76

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Solution

The fourth proportional to 272,014.74, 408,155.76 and 122,360.76 is: 183,601.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,014.74 : 408,155.76 = 122,360.76 : x
  2. Step 2: Convert to fraction form
    272,014.74/408,155.76 = 122,360.76/x
  3. Step 3: Cross multiply
    272,014.74x = 408,155.76 × 122,360.76
  4. Step 4: Simplify right side
    272,014.74x = 49,942,248,991.98
  5. Step 5: Solve for x
    x = 49,942,248,991.98/272,014.74
  6. Step 6: Final answer
    x = 183,601.26

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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.