Home / 484,387.83-668,455.20-269,541.73

Finding the Fourth Proportional to 484,387.83, 668,455.20 and 269,541.73

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Solution

The fourth proportional to 484,387.83, 668,455.20 and 269,541.73 is: 371,967.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,387.83 : 668,455.20 = 269,541.73 : x
  2. Step 2: Convert to fraction form
    484,387.83/668,455.20 = 269,541.73/x
  3. Step 3: Cross multiply
    484,387.83x = 668,455.20 × 269,541.73
  4. Step 4: Simplify right side
    484,387.83x = 180,176,571,035.50
  5. Step 5: Solve for x
    x = 180,176,571,035.50/484,387.83
  6. Step 6: Final answer
    x = 371,967.58

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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.