Home / 278,088.66-383,733.63-170,663.22

Finding the Fourth Proportional to 278,088.66, 383,733.63 and 170,663.22

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Solution

The fourth proportional to 278,088.66, 383,733.63 and 170,663.22 is: 235,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,088.66 : 383,733.63 = 170,663.22 : x
  2. Step 2: Convert to fraction form
    278,088.66/383,733.63 = 170,663.22/x
  3. Step 3: Cross multiply
    278,088.66x = 383,733.63 × 170,663.22
  4. Step 4: Simplify right side
    278,088.66x = 65,489,216,918.09
  5. Step 5: Solve for x
    x = 65,489,216,918.09/278,088.66
  6. Step 6: Final answer
    x = 235,497.62

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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.