Home / 204,835.20-307,252.80-186,464.40

Finding the Fourth Proportional to 204,835.20, 307,252.80 and 186,464.40

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Solution

The fourth proportional to 204,835.20, 307,252.80 and 186,464.40 is: 279,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,835.20 : 307,252.80 = 186,464.40 : x
  2. Step 2: Convert to fraction form
    204,835.20/307,252.80 = 186,464.40/x
  3. Step 3: Cross multiply
    204,835.20x = 307,252.80 × 186,464.40
  4. Step 4: Simplify right side
    204,835.20x = 57,291,709,000.32
  5. Step 5: Solve for x
    x = 57,291,709,000.32/204,835.20
  6. Step 6: Final answer
    x = 279,696.60

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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.