Home / 205,036.20-307,554.30-171,858.60

Finding the Fourth Proportional to 205,036.20, 307,554.30 and 171,858.60

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Solution

The fourth proportional to 205,036.20, 307,554.30 and 171,858.60 is: 257,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,036.20 : 307,554.30 = 171,858.60 : x
  2. Step 2: Convert to fraction form
    205,036.20/307,554.30 = 171,858.60/x
  3. Step 3: Cross multiply
    205,036.20x = 307,554.30 × 171,858.60
  4. Step 4: Simplify right side
    205,036.20x = 52,855,851,421.98
  5. Step 5: Solve for x
    x = 52,855,851,421.98/205,036.20
  6. Step 6: Final answer
    x = 257,787.90

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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.