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Finding the Fourth Proportional to 370,544.02, 511,376.70 and 209,413.96

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Solution

The fourth proportional to 370,544.02, 511,376.70 and 209,413.96 is: 289,005.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,544.02 : 511,376.70 = 209,413.96 : x
  2. Step 2: Convert to fraction form
    370,544.02/511,376.70 = 209,413.96/x
  3. Step 3: Cross multiply
    370,544.02x = 511,376.70 × 209,413.96
  4. Step 4: Simplify right side
    370,544.02x = 107,089,419,798.73
  5. Step 5: Solve for x
    x = 107,089,419,798.73/370,544.02
  6. Step 6: Final answer
    x = 289,005.93

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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.