Home / 328,984.04-493,626.30-178,999.40

Finding the Fourth Proportional to 328,984.04, 493,626.30 and 178,999.40

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Solution

The fourth proportional to 328,984.04, 493,626.30 and 178,999.40 is: 268,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,984.04 : 493,626.30 = 178,999.40 : x
  2. Step 2: Convert to fraction form
    328,984.04/493,626.30 = 178,999.40/x
  3. Step 3: Cross multiply
    328,984.04x = 493,626.30 × 178,999.40
  4. Step 4: Simplify right side
    328,984.04x = 88,358,811,524.22
  5. Step 5: Solve for x
    x = 88,358,811,524.22/328,984.04
  6. Step 6: Final answer
    x = 268,580.85

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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.