Finding the Fourth Proportional to 614,413.68, 921,482.16 and 220,429.68
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Solution
The fourth proportional to 614,413.68, 921,482.16 and 220,429.68 is: 330,594.88
Step by Step Solution
- Step 1: Write the proportion equation
614,413.68 : 921,482.16 = 220,429.68 : x - Step 2: Convert to fraction form
614,413.68/921,482.16 = 220,429.68/x - Step 3: Cross multiply
614,413.68x = 921,482.16 × 220,429.68 - Step 4: Simplify right side
614,413.68x = 203,122,017,654.51 - Step 5: Solve for x
x = 203,122,017,654.51/614,413.68 - Step 6: Final answer
x = 330,594.88
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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.