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Finding the Fourth Proportional to 332,283.70, 498,425.55 and 155,136.70

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Solution

The fourth proportional to 332,283.70, 498,425.55 and 155,136.70 is: 232,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,283.70 : 498,425.55 = 155,136.70 : x
  2. Step 2: Convert to fraction form
    332,283.70/498,425.55 = 155,136.70/x
  3. Step 3: Cross multiply
    332,283.70x = 498,425.55 × 155,136.70
  4. Step 4: Simplify right side
    332,283.70x = 77,324,095,022.69
  5. Step 5: Solve for x
    x = 77,324,095,022.69/332,283.70
  6. Step 6: Final answer
    x = 232,705.05

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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.