Home / 320,558.64-442,370.88-175,365.60

Finding the Fourth Proportional to 320,558.64, 442,370.88 and 175,365.60

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Solution

The fourth proportional to 320,558.64, 442,370.88 and 175,365.60 is: 242,004.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,558.64 : 442,370.88 = 175,365.60 : x
  2. Step 2: Convert to fraction form
    320,558.64/442,370.88 = 175,365.60/x
  3. Step 3: Cross multiply
    320,558.64x = 442,370.88 × 175,365.60
  4. Step 4: Simplify right side
    320,558.64x = 77,576,634,793.73
  5. Step 5: Solve for x
    x = 77,576,634,793.73/320,558.64
  6. Step 6: Final answer
    x = 242,004.50

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1.5x scale

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.