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Finding the Fourth Proportional to 245,333.76, 368,000.64 and 79,121.76

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Solution

The fourth proportional to 245,333.76, 368,000.64 and 79,121.76 is: 118,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,333.76 : 368,000.64 = 79,121.76 : x
  2. Step 2: Convert to fraction form
    245,333.76/368,000.64 = 79,121.76/x
  3. Step 3: Cross multiply
    245,333.76x = 368,000.64 × 79,121.76
  4. Step 4: Simplify right side
    245,333.76x = 29,116,858,317.93
  5. Step 5: Solve for x
    x = 29,116,858,317.93/245,333.76
  6. Step 6: Final answer
    x = 118,682.64

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1.5x scale

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.