Home / 377,627.20-566,440.80-209,665.60

Finding the Fourth Proportional to 377,627.20, 566,440.80 and 209,665.60

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Solution

The fourth proportional to 377,627.20, 566,440.80 and 209,665.60 is: 314,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,627.20 : 566,440.80 = 209,665.60 : x
  2. Step 2: Convert to fraction form
    377,627.20/566,440.80 = 209,665.60/x
  3. Step 3: Cross multiply
    377,627.20x = 566,440.80 × 209,665.60
  4. Step 4: Simplify right side
    377,627.20x = 118,763,150,196.48
  5. Step 5: Solve for x
    x = 118,763,150,196.48/377,627.20
  6. Step 6: Final answer
    x = 314,498.40

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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.