Finding the Fourth Proportional to 312,379.74, 468,510.01 and 152,294.99
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Solution
The fourth proportional to 312,379.74, 468,510.01 and 152,294.99 is: 228,413.42
Step by Step Solution
- Step 1: Write the proportion equation
312,379.74 : 468,510.01 = 152,294.99 : x - Step 2: Convert to fraction form
312,379.74/468,510.01 = 152,294.99/x - Step 3: Cross multiply
312,379.74x = 468,510.01 × 152,294.99 - Step 4: Simplify right side
312,379.74x = 71,351,724,564.56 - Step 5: Solve for x
x = 71,351,724,564.56/312,379.74 - Step 6: Final answer
x = 228,413.42
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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.