Finding the Fourth Proportional to 122,295.68, 183,413.14 and 69,011.05
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Solution
The fourth proportional to 122,295.68, 183,413.14 and 69,011.05 is: 103,499.43
Step by Step Solution
- Step 1: Write the proportion equation
122,295.68 : 183,413.14 = 69,011.05 : x - Step 2: Convert to fraction form
122,295.68/183,413.14 = 69,011.05/x - Step 3: Cross multiply
122,295.68x = 183,413.14 × 69,011.05 - Step 4: Simplify right side
122,295.68x = 12,657,533,375.20 - Step 5: Solve for x
x = 12,657,533,375.20/122,295.68 - Step 6: Final answer
x = 103,499.43
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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.