Finding the Fourth Proportional to 628,413.44, 942,478.08 and 179,124.68
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Solution
The fourth proportional to 628,413.44, 942,478.08 and 179,124.68 is: 268,646.52
Step by Step Solution
- Step 1: Write the proportion equation
628,413.44 : 942,478.08 = 179,124.68 : x - Step 2: Convert to fraction form
628,413.44/942,478.08 = 179,124.68/x - Step 3: Cross multiply
628,413.44x = 942,478.08 × 179,124.68 - Step 4: Simplify right side
628,413.44x = 168,821,084,487.01 - Step 5: Solve for x
x = 168,821,084,487.01/628,413.44 - Step 6: Final answer
x = 268,646.52
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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.