Home / 328,000.20-492,000.30-117,610.80

Finding the Fourth Proportional to 328,000.20, 492,000.30 and 117,610.80

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Solution

The fourth proportional to 328,000.20, 492,000.30 and 117,610.80 is: 176,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,000.20 : 492,000.30 = 117,610.80 : x
  2. Step 2: Convert to fraction form
    328,000.20/492,000.30 = 117,610.80/x
  3. Step 3: Cross multiply
    328,000.20x = 492,000.30 × 117,610.80
  4. Step 4: Simplify right side
    328,000.20x = 57,864,548,883.24
  5. Step 5: Solve for x
    x = 57,864,548,883.24/328,000.20
  6. Step 6: Final answer
    x = 176,416.20

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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.