Home / 205,828.46-308,739.33-65,585.18

Finding the Fourth Proportional to 205,828.46, 308,739.33 and 65,585.18

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Solution

The fourth proportional to 205,828.46, 308,739.33 and 65,585.18 is: 98,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,828.46 : 308,739.33 = 65,585.18 : x
  2. Step 2: Convert to fraction form
    205,828.46/308,739.33 = 65,585.18/x
  3. Step 3: Cross multiply
    205,828.46x = 308,739.33 × 65,585.18
  4. Step 4: Simplify right side
    205,828.46x = 20,248,724,531.13
  5. Step 5: Solve for x
    x = 20,248,724,531.13/205,828.46
  6. Step 6: Final answer
    x = 98,376.70

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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.