Home / 330,669.60-496,004.40-197,959.20

Finding the Fourth Proportional to 330,669.60, 496,004.40 and 197,959.20

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Solution

The fourth proportional to 330,669.60, 496,004.40 and 197,959.20 is: 296,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,669.60 : 496,004.40 = 197,959.20 : x
  2. Step 2: Convert to fraction form
    330,669.60/496,004.40 = 197,959.20/x
  3. Step 3: Cross multiply
    330,669.60x = 496,004.40 × 197,959.20
  4. Step 4: Simplify right side
    330,669.60x = 98,188,634,220.48
  5. Step 5: Solve for x
    x = 98,188,634,220.48/330,669.60
  6. Step 6: Final answer
    x = 296,938.80

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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.