Finding the Fourth Proportional to 198,194.08, 273,506.42 and 107,547.74
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Solution
The fourth proportional to 198,194.08, 273,506.42 and 107,547.74 is: 148,415.12
Step by Step Solution
- Step 1: Write the proportion equation
198,194.08 : 273,506.42 = 107,547.74 : x - Step 2: Convert to fraction form
198,194.08/273,506.42 = 107,547.74/x - Step 3: Cross multiply
198,194.08x = 273,506.42 × 107,547.74 - Step 4: Simplify right side
198,194.08x = 29,414,997,346.49 - Step 5: Solve for x
x = 29,414,997,346.49/198,194.08 - Step 6: Final answer
x = 148,415.12
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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.