Home / 340,572.28-469,917.84-197,323.60

Finding the Fourth Proportional to 340,572.28, 469,917.84 and 197,323.60

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Solution

The fourth proportional to 340,572.28, 469,917.84 and 197,323.60 is: 272,264.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,572.28 : 469,917.84 = 197,323.60 : x
  2. Step 2: Convert to fraction form
    340,572.28/469,917.84 = 197,323.60/x
  3. Step 3: Cross multiply
    340,572.28x = 469,917.84 × 197,323.60
  4. Step 4: Simplify right side
    340,572.28x = 92,725,879,893.02
  5. Step 5: Solve for x
    x = 92,725,879,893.02/340,572.28
  6. Step 6: Final answer
    x = 272,264.91

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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.