Finding the Fourth Proportional to 681,413.44, 940,337.82 and 375,518.14
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Solution
The fourth proportional to 681,413.44, 940,337.82 and 375,518.14 is: 518,208.02
Step by Step Solution
- Step 1: Write the proportion equation
681,413.44 : 940,337.82 = 375,518.14 : x - Step 2: Convert to fraction form
681,413.44/940,337.82 = 375,518.14/x - Step 3: Cross multiply
681,413.44x = 940,337.82 × 375,518.14 - Step 4: Simplify right side
681,413.44x = 353,113,909,138.06 - Step 5: Solve for x
x = 353,113,909,138.06/681,413.44 - Step 6: Final answer
x = 518,208.02
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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.