Finding the Fourth Proportional to 224,107.68, 309,268.66 and 122,133.18
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Solution
The fourth proportional to 224,107.68, 309,268.66 and 122,133.18 is: 168,543.82
Step by Step Solution
- Step 1: Write the proportion equation
224,107.68 : 309,268.66 = 122,133.18 : x - Step 2: Convert to fraction form
224,107.68/309,268.66 = 122,133.18/x - Step 3: Cross multiply
224,107.68x = 309,268.66 × 122,133.18 - Step 4: Simplify right side
224,107.68x = 37,771,964,920.14 - Step 5: Solve for x
x = 37,771,964,920.14/224,107.68 - Step 6: Final answer
x = 168,543.82
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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.