Finding the Fourth Proportional to 156,338.08, 233,362.99 and 134,293.12
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Solution
The fourth proportional to 156,338.08, 233,362.99 and 134,293.12 is: 200,456.88
Step by Step Solution
- Step 1: Write the proportion equation
156,338.08 : 233,362.99 = 134,293.12 : x - Step 2: Convert to fraction form
156,338.08/233,362.99 = 134,293.12/x - Step 3: Cross multiply
156,338.08x = 233,362.99 × 134,293.12 - Step 4: Simplify right side
156,338.08x = 31,339,043,100.49 - Step 5: Solve for x
x = 31,339,043,100.49/156,338.08 - Step 6: Final answer
x = 200,456.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.