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Finding the Fourth Proportional to 303,970.54, 419,501.07 and 168,001.56

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Solution

The fourth proportional to 303,970.54, 419,501.07 and 168,001.56 is: 231,854.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,970.54 : 419,501.07 = 168,001.56 : x
  2. Step 2: Convert to fraction form
    303,970.54/419,501.07 = 168,001.56/x
  3. Step 3: Cross multiply
    303,970.54x = 419,501.07 × 168,001.56
  4. Step 4: Simplify right side
    303,970.54x = 70,476,834,889.01
  5. Step 5: Solve for x
    x = 70,476,834,889.01/303,970.54
  6. Step 6: Final answer
    x = 231,854.16

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1.5x scale

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.