Finding the Fourth Proportional to 146,276.19, 201,859.95 and 79,208.19
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Solution
The fourth proportional to 146,276.19, 201,859.95 and 79,208.19 is: 109,306.66
Step by Step Solution
- Step 1: Write the proportion equation
146,276.19 : 201,859.95 = 79,208.19 : x - Step 2: Convert to fraction form
146,276.19/201,859.95 = 79,208.19/x - Step 3: Cross multiply
146,276.19x = 201,859.95 × 79,208.19 - Step 4: Simplify right side
146,276.19x = 15,988,961,272.99 - Step 5: Solve for x
x = 15,988,961,272.99/146,276.19 - Step 6: Final answer
x = 109,306.66
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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.