Home / 372,117.60-558,176.40-214,216.20

Finding the Fourth Proportional to 372,117.60, 558,176.40 and 214,216.20

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Solution

The fourth proportional to 372,117.60, 558,176.40 and 214,216.20 is: 321,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,117.60 : 558,176.40 = 214,216.20 : x
  2. Step 2: Convert to fraction form
    372,117.60/558,176.40 = 214,216.20/x
  3. Step 3: Cross multiply
    372,117.60x = 558,176.40 × 214,216.20
  4. Step 4: Simplify right side
    372,117.60x = 119,570,427,337.68
  5. Step 5: Solve for x
    x = 119,570,427,337.68/372,117.60
  6. Step 6: Final answer
    x = 321,324.30

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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.