Finding the Fourth Proportional to 146,272.80, 201,856.32 and 79,204.80
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Solution
The fourth proportional to 146,272.80, 201,856.32 and 79,204.80 is: 109,302.55
Step by Step Solution
- Step 1: Write the proportion equation
146,272.80 : 201,856.32 = 79,204.80 : x - Step 2: Convert to fraction form
146,272.80/201,856.32 = 79,204.80/x - Step 3: Cross multiply
146,272.80x = 201,856.32 × 79,204.80 - Step 4: Simplify right side
146,272.80x = 15,987,989,454.34 - Step 5: Solve for x
x = 15,987,989,454.34/146,272.80 - Step 6: Final answer
x = 109,302.55
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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.