Finding the Fourth Proportional to 402,943.68, 556,063.32 and 221,674.08
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Solution
The fourth proportional to 402,943.68, 556,063.32 and 221,674.08 is: 305,910.80
Step by Step Solution
- Step 1: Write the proportion equation
402,943.68 : 556,063.32 = 221,674.08 : x - Step 2: Convert to fraction form
402,943.68/556,063.32 = 221,674.08/x - Step 3: Cross multiply
402,943.68x = 556,063.32 × 221,674.08 - Step 4: Simplify right side
402,943.68x = 123,264,824,882.75 - Step 5: Solve for x
x = 123,264,824,882.75/402,943.68 - Step 6: Final answer
x = 305,910.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.