Home / 328,447.20-492,330.60-178,370.40

Finding the Fourth Proportional to 328,447.20, 492,330.60 and 178,370.40

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Solution

The fourth proportional to 328,447.20, 492,330.60 and 178,370.40 is: 267,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,447.20 : 492,330.60 = 178,370.40 : x
  2. Step 2: Convert to fraction form
    328,447.20/492,330.60 = 178,370.40/x
  3. Step 3: Cross multiply
    328,447.20x = 492,330.60 × 178,370.40
  4. Step 4: Simplify right side
    328,447.20x = 87,817,206,054.24
  5. Step 5: Solve for x
    x = 87,817,206,054.24/328,447.20
  6. Step 6: Final answer
    x = 267,370.85

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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.