Home / 277,929.20-417,088.20-178,331.60

Finding the Fourth Proportional to 277,929.20, 417,088.20 and 178,331.60

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Solution

The fourth proportional to 277,929.20, 417,088.20 and 178,331.60 is: 267,622.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,929.20 : 417,088.20 = 178,331.60 : x
  2. Step 2: Convert to fraction form
    277,929.20/417,088.20 = 178,331.60/x
  3. Step 3: Cross multiply
    277,929.20x = 417,088.20 × 178,331.60
  4. Step 4: Simplify right side
    277,929.20x = 74,380,006,047.12
  5. Step 5: Solve for x
    x = 74,380,006,047.12/277,929.20
  6. Step 6: Final answer
    x = 267,622.14

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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.