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Finding the Fourth Proportional to 332,435.65, 498,653.45 and 83,117.65

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Solution

The fourth proportional to 332,435.65, 498,653.45 and 83,117.65 is: 124,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,435.65 : 498,653.45 = 83,117.65 : x
  2. Step 2: Convert to fraction form
    332,435.65/498,653.45 = 83,117.65/x
  3. Step 3: Cross multiply
    332,435.65x = 498,653.45 × 83,117.65
  4. Step 4: Simplify right side
    332,435.65x = 41,446,902,928.39
  5. Step 5: Solve for x
    x = 41,446,902,928.39/332,435.65
  6. Step 6: Final answer
    x = 124,676.47

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1.5x scale

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.