Home / 214,228.04-321,387.01-64,479.29

Finding the Fourth Proportional to 214,228.04, 321,387.01 and 64,479.29

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Solution

The fourth proportional to 214,228.04, 321,387.01 and 64,479.29 is: 96,732.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,228.04 : 321,387.01 = 64,479.29 : x
  2. Step 2: Convert to fraction form
    214,228.04/321,387.01 = 64,479.29/x
  3. Step 3: Cross multiply
    214,228.04x = 321,387.01 × 64,479.29
  4. Step 4: Simplify right side
    214,228.04x = 20,722,804,451.89
  5. Step 5: Solve for x
    x = 20,722,804,451.89/214,228.04
  6. Step 6: Final answer
    x = 96,732.46

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1.5x scale

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.