Home / 433,039.41-649,517.37-133,439.55

Finding the Fourth Proportional to 433,039.41, 649,517.37 and 133,439.55

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Solution

The fourth proportional to 433,039.41, 649,517.37 and 133,439.55 is: 200,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,039.41 : 649,517.37 = 133,439.55 : x
  2. Step 2: Convert to fraction form
    433,039.41/649,517.37 = 133,439.55/x
  3. Step 3: Cross multiply
    433,039.41x = 649,517.37 × 133,439.55
  4. Step 4: Simplify right side
    433,039.41x = 86,671,306,070.38
  5. Step 5: Solve for x
    x = 86,671,306,070.38/433,039.41
  6. Step 6: Final answer
    x = 200,146.46

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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.