Finding the Fourth Proportional to 146,581.68, 202,282.35 and 79,513.68
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Solution
The fourth proportional to 146,581.68, 202,282.35 and 79,513.68 is: 109,728.68
Step by Step Solution
- Step 1: Write the proportion equation
146,581.68 : 202,282.35 = 79,513.68 : x - Step 2: Convert to fraction form
146,581.68/202,282.35 = 79,513.68/x - Step 3: Cross multiply
146,581.68x = 202,282.35 × 79,513.68 - Step 4: Simplify right side
146,581.68x = 16,084,214,047.55 - Step 5: Solve for x
x = 16,084,214,047.55/146,581.68 - Step 6: Final answer
x = 109,728.68
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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.