Finding the Fourth Proportional to 146,275.62, 201,860.01 and 79,207.62
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Solution
The fourth proportional to 146,275.62, 201,860.01 and 79,207.62 is: 109,306.33
Step by Step Solution
- Step 1: Write the proportion equation
146,275.62 : 201,860.01 = 79,207.62 : x - Step 2: Convert to fraction form
146,275.62/201,860.01 = 79,207.62/x - Step 3: Cross multiply
146,275.62x = 201,860.01 × 79,207.62 - Step 4: Simplify right side
146,275.62x = 15,988,850,965.28 - Step 5: Solve for x
x = 15,988,850,965.28/146,275.62 - Step 6: Final answer
x = 109,306.33
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1.5x scale
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.