Home / 377,855.20-566,782.80-211,621.60

Finding the Fourth Proportional to 377,855.20, 566,782.80 and 211,621.60

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Solution

The fourth proportional to 377,855.20, 566,782.80 and 211,621.60 is: 317,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,855.20 : 566,782.80 = 211,621.60 : x
  2. Step 2: Convert to fraction form
    377,855.20/566,782.80 = 211,621.60/x
  3. Step 3: Cross multiply
    377,855.20x = 566,782.80 × 211,621.60
  4. Step 4: Simplify right side
    377,855.20x = 119,943,482,988.48
  5. Step 5: Solve for x
    x = 119,943,482,988.48/377,855.20
  6. Step 6: Final answer
    x = 317,432.40

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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.