Home / 268,081.16-369,981.48-153,370.44

Finding the Fourth Proportional to 268,081.16, 369,981.48 and 153,370.44

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Solution

The fourth proportional to 268,081.16, 369,981.48 and 153,370.44 is: 211,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,081.16 : 369,981.48 = 153,370.44 : x
  2. Step 2: Convert to fraction form
    268,081.16/369,981.48 = 153,370.44/x
  3. Step 3: Cross multiply
    268,081.16x = 369,981.48 × 153,370.44
  4. Step 4: Simplify right side
    268,081.16x = 56,744,222,379.45
  5. Step 5: Solve for x
    x = 56,744,222,379.45/268,081.16
  6. Step 6: Final answer
    x = 211,668.07

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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.