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Finding the Fourth Proportional to 485,664.93, 670,225.86 and 267,898.59

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Solution

The fourth proportional to 485,664.93, 670,225.86 and 267,898.59 is: 369,704.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,664.93 : 670,225.86 = 267,898.59 : x
  2. Step 2: Convert to fraction form
    485,664.93/670,225.86 = 267,898.59/x
  3. Step 3: Cross multiply
    485,664.93x = 670,225.86 × 267,898.59
  4. Step 4: Simplify right side
    485,664.93x = 179,552,562,875.54
  5. Step 5: Solve for x
    x = 179,552,562,875.54/485,664.93
  6. Step 6: Final answer
    x = 369,704.61

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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.