Home / 309,026.72-462,709.53-196,095.51

Finding the Fourth Proportional to 309,026.72, 462,709.53 and 196,095.51

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Solution

The fourth proportional to 309,026.72, 462,709.53 and 196,095.51 is: 293,616.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,026.72 : 462,709.53 = 196,095.51 : x
  2. Step 2: Convert to fraction form
    309,026.72/462,709.53 = 196,095.51/x
  3. Step 3: Cross multiply
    309,026.72x = 462,709.53 × 196,095.51
  4. Step 4: Simplify right side
    309,026.72x = 90,735,261,267.21
  5. Step 5: Solve for x
    x = 90,735,261,267.21/309,026.72
  6. Step 6: Final answer
    x = 293,616.23

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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.