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Finding the Fourth Proportional to 245,903.40, 369,200.70 and 193,372.20

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Solution

The fourth proportional to 245,903.40, 369,200.70 and 193,372.20 is: 290,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,903.40 : 369,200.70 = 193,372.20 : x
  2. Step 2: Convert to fraction form
    245,903.40/369,200.70 = 193,372.20/x
  3. Step 3: Cross multiply
    245,903.40x = 369,200.70 × 193,372.20
  4. Step 4: Simplify right side
    245,903.40x = 71,393,151,600.54
  5. Step 5: Solve for x
    x = 71,393,151,600.54/245,903.40
  6. Step 6: Final answer
    x = 290,330.07

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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.