Home / 206,748.63-309,520.44-153,675.69

Finding the Fourth Proportional to 206,748.63, 309,520.44 and 153,675.69

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Solution

The fourth proportional to 206,748.63, 309,520.44 and 153,675.69 is: 230,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,748.63 : 309,520.44 = 153,675.69 : x
  2. Step 2: Convert to fraction form
    206,748.63/309,520.44 = 153,675.69/x
  3. Step 3: Cross multiply
    206,748.63x = 309,520.44 × 153,675.69
  4. Step 4: Simplify right side
    206,748.63x = 47,565,767,186.10
  5. Step 5: Solve for x
    x = 47,565,767,186.10/206,748.63
  6. Step 6: Final answer
    x = 230,065.69

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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.