Finding the Fourth Proportional to 155,824.92, 215,153.55 and 95,477.99
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Solution
The fourth proportional to 155,824.92, 215,153.55 and 95,477.99 is: 131,830.18
Step by Step Solution
- Step 1: Write the proportion equation
155,824.92 : 215,153.55 = 95,477.99 : x - Step 2: Convert to fraction form
155,824.92/215,153.55 = 95,477.99/x - Step 3: Cross multiply
155,824.92x = 215,153.55 × 95,477.99 - Step 4: Simplify right side
155,824.92x = 20,542,427,419.60 - Step 5: Solve for x
x = 20,542,427,419.60/155,824.92 - Step 6: Final answer
x = 131,830.18
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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.