Finding the Fourth Proportional to 440,984.01, 661,413.73 and 141,425.66
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Solution
The fourth proportional to 440,984.01, 661,413.73 and 141,425.66 is: 212,118.52
Step by Step Solution
- Step 1: Write the proportion equation
440,984.01 : 661,413.73 = 141,425.66 : x - Step 2: Convert to fraction form
440,984.01/661,413.73 = 141,425.66/x - Step 3: Cross multiply
440,984.01x = 661,413.73 × 141,425.66 - Step 4: Simplify right side
440,984.01x = 93,540,873,298.31 - Step 5: Solve for x
x = 93,540,873,298.31/440,984.01 - Step 6: Final answer
x = 212,118.52
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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.