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Finding the Fourth Proportional to 204,518.85, 306,792.30 and 69,528

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Solution

The fourth proportional to 204,518.85, 306,792.30 and 69,528 is: 104,296.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,518.85 : 306,792.30 = 69,528 : x
  2. Step 2: Convert to fraction form
    204,518.85/306,792.30 = 69,528/x
  3. Step 3: Cross multiply
    204,518.85x = 306,792.30 × 69,528
  4. Step 4: Simplify right side
    204,518.85x = 21,330,654,686.76
  5. Step 5: Solve for x
    x = 21,330,654,686.76/204,518.85
  6. Step 6: Final answer
    x = 104,296.77

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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.