Finding the Fourth Proportional to 201,967.17, 278,980.91 and 150,891.13
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Solution
The fourth proportional to 201,967.17, 278,980.91 and 150,891.13 is: 208,428.65
Step by Step Solution
- Step 1: Write the proportion equation
201,967.17 : 278,980.91 = 150,891.13 : x - Step 2: Convert to fraction form
201,967.17/278,980.91 = 150,891.13/x - Step 3: Cross multiply
201,967.17x = 278,980.91 × 150,891.13 - Step 4: Simplify right side
201,967.17x = 42,095,744,758.33 - Step 5: Solve for x
x = 42,095,744,758.33/201,967.17 - Step 6: Final answer
x = 208,428.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.