Finding the Fourth Proportional to 195,690.62, 270,332.64 and 153,044.12
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Solution
The fourth proportional to 195,690.62, 270,332.64 and 153,044.12 is: 211,419.54
Step by Step Solution
- Step 1: Write the proportion equation
195,690.62 : 270,332.64 = 153,044.12 : x - Step 2: Convert to fraction form
195,690.62/270,332.64 = 153,044.12/x - Step 3: Cross multiply
195,690.62x = 270,332.64 × 153,044.12 - Step 4: Simplify right side
195,690.62x = 41,372,820,996.08 - Step 5: Solve for x
x = 41,372,820,996.08/195,690.62 - Step 6: Final answer
x = 211,419.54
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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.