Home / 372,131.20-558,196.80-352,885.60

Finding the Fourth Proportional to 372,131.20, 558,196.80 and 352,885.60

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Solution

The fourth proportional to 372,131.20, 558,196.80 and 352,885.60 is: 529,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,131.20 : 558,196.80 = 352,885.60 : x
  2. Step 2: Convert to fraction form
    372,131.20/558,196.80 = 352,885.60/x
  3. Step 3: Cross multiply
    372,131.20x = 558,196.80 × 352,885.60
  4. Step 4: Simplify right side
    372,131.20x = 196,979,612,686.08
  5. Step 5: Solve for x
    x = 196,979,612,686.08/372,131.20
  6. Step 6: Final answer
    x = 529,328.40

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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.