Finding the Fourth Proportional to 146,276.84, 201,861.99 and 79,208.84
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Solution
The fourth proportional to 146,276.84, 201,861.99 and 79,208.84 is: 109,308.17
Step by Step Solution
- Step 1: Write the proportion equation
146,276.84 : 201,861.99 = 79,208.84 : x - Step 2: Convert to fraction form
146,276.84/201,861.99 = 79,208.84/x - Step 3: Cross multiply
146,276.84x = 201,861.99 × 79,208.84 - Step 4: Simplify right side
146,276.84x = 15,989,253,058.68 - Step 5: Solve for x
x = 15,989,253,058.68/146,276.84 - Step 6: Final answer
x = 109,308.17
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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.