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Finding the Fourth Proportional to 202,393.40, 303,330.90 and 155,413.40

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Solution

The fourth proportional to 202,393.40, 303,330.90 and 155,413.40 is: 232,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,393.40 : 303,330.90 = 155,413.40 : x
  2. Step 2: Convert to fraction form
    202,393.40/303,330.90 = 155,413.40/x
  3. Step 3: Cross multiply
    202,393.40x = 303,330.90 × 155,413.40
  4. Step 4: Simplify right side
    202,393.40x = 47,141,686,494.06
  5. Step 5: Solve for x
    x = 47,141,686,494.06/202,393.40
  6. Step 6: Final answer
    x = 232,921.07

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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.