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Finding the Fourth Proportional to 365,329.76, 547,899.60 and 154,859.36

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Solution

The fourth proportional to 365,329.76, 547,899.60 and 154,859.36 is: 232,248.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,329.76 : 547,899.60 = 154,859.36 : x
  2. Step 2: Convert to fraction form
    365,329.76/547,899.60 = 154,859.36/x
  3. Step 3: Cross multiply
    365,329.76x = 547,899.60 × 154,859.36
  4. Step 4: Simplify right side
    365,329.76x = 84,847,381,400.26
  5. Step 5: Solve for x
    x = 84,847,381,400.26/365,329.76
  6. Step 6: Final answer
    x = 232,248.75

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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.