Home / 445,271.16-667,740.60-178,941.60

Finding the Fourth Proportional to 445,271.16, 667,740.60 and 178,941.60

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Solution

The fourth proportional to 445,271.16, 667,740.60 and 178,941.60 is: 268,345.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,271.16 : 667,740.60 = 178,941.60 : x
  2. Step 2: Convert to fraction form
    445,271.16/667,740.60 = 178,941.60/x
  3. Step 3: Cross multiply
    445,271.16x = 667,740.60 × 178,941.60
  4. Step 4: Simplify right side
    445,271.16x = 119,486,571,348.96
  5. Step 5: Solve for x
    x = 119,486,571,348.96/445,271.16
  6. Step 6: Final answer
    x = 268,345.63

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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.