Finding the Fourth Proportional to 747,490.33, 1,121,413.87 and 242,051.84
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Solution
The fourth proportional to 747,490.33, 1,121,413.87 and 242,051.84 is: 363,135.53
Step by Step Solution
- Step 1: Write the proportion equation
747,490.33 : 1,121,413.87 = 242,051.84 : x - Step 2: Convert to fraction form
747,490.33/1,121,413.87 = 242,051.84/x - Step 3: Cross multiply
747,490.33x = 1,121,413.87 × 242,051.84 - Step 4: Simplify right side
747,490.33x = 271,440,294,482.23 - Step 5: Solve for x
x = 271,440,294,482.23/747,490.33 - Step 6: Final answer
x = 363,135.53
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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.