Finding the Fourth Proportional to 234,202.68, 351,313.74 and 67,990.68
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Solution
The fourth proportional to 234,202.68, 351,313.74 and 67,990.68 is: 101,988.84
Step by Step Solution
- Step 1: Write the proportion equation
234,202.68 : 351,313.74 = 67,990.68 : x - Step 2: Convert to fraction form
234,202.68/351,313.74 = 67,990.68/x - Step 3: Cross multiply
234,202.68x = 351,313.74 × 67,990.68 - Step 4: Simplify right side
234,202.68x = 23,886,060,075.94 - Step 5: Solve for x
x = 23,886,060,075.94/234,202.68 - Step 6: Final answer
x = 101,988.84
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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.