Home / 289,536.17-399,550.23-160,469.15

Finding the Fourth Proportional to 289,536.17, 399,550.23 and 160,469.15

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Solution

The fourth proportional to 289,536.17, 399,550.23 and 160,469.15 is: 221,442.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,536.17 : 399,550.23 = 160,469.15 : x
  2. Step 2: Convert to fraction form
    289,536.17/399,550.23 = 160,469.15/x
  3. Step 3: Cross multiply
    289,536.17x = 399,550.23 × 160,469.15
  4. Step 4: Simplify right side
    289,536.17x = 64,115,483,792.65
  5. Step 5: Solve for x
    x = 64,115,483,792.65/289,536.17
  6. Step 6: Final answer
    x = 221,442.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.