Finding the Fourth Proportional to 99,657.69, 149,526.36 and 40,497.99
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Solution
The fourth proportional to 99,657.69, 149,526.36 and 40,497.99 is: 60,763.17
Step by Step Solution
- Step 1: Write the proportion equation
99,657.69 : 149,526.36 = 40,497.99 : x - Step 2: Convert to fraction form
99,657.69/149,526.36 = 40,497.99/x - Step 3: Cross multiply
99,657.69x = 149,526.36 × 40,497.99 - Step 4: Simplify right side
99,657.69x = 6,055,517,032.02 - Step 5: Solve for x
x = 6,055,517,032.02/99,657.69 - Step 6: Final answer
x = 60,763.17
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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.