Finding the Fourth Proportional to 679,413.84, 1,019,094.15 and 230,134.70
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Solution
The fourth proportional to 679,413.84, 1,019,094.15 and 230,134.70 is: 345,193.04
Step by Step Solution
- Step 1: Write the proportion equation
679,413.84 : 1,019,094.15 = 230,134.70 : x - Step 2: Convert to fraction form
679,413.84/1,019,094.15 = 230,134.70/x - Step 3: Cross multiply
679,413.84x = 1,019,094.15 × 230,134.70 - Step 4: Simplify right side
679,413.84x = 234,528,926,482.01 - Step 5: Solve for x
x = 234,528,926,482.01/679,413.84 - Step 6: Final answer
x = 345,193.04
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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.