Finding the Fourth Proportional to 408,986.22, 564,413.58 and 222,730.14
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Solution
The fourth proportional to 408,986.22, 564,413.58 and 222,730.14 is: 307,374.45
Step by Step Solution
- Step 1: Write the proportion equation
408,986.22 : 564,413.58 = 222,730.14 : x - Step 2: Convert to fraction form
408,986.22/564,413.58 = 222,730.14/x - Step 3: Cross multiply
408,986.22x = 564,413.58 × 222,730.14 - Step 4: Simplify right side
408,986.22x = 125,711,915,691.30 - Step 5: Solve for x
x = 125,711,915,691.30/408,986.22 - Step 6: Final answer
x = 307,374.45
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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.