Finding the Fourth Proportional to 112,349.68, 155,043.48 and 62,049.52
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Solution
The fourth proportional to 112,349.68, 155,043.48 and 62,049.52 is: 85,628.85
Step by Step Solution
- Step 1: Write the proportion equation
112,349.68 : 155,043.48 = 62,049.52 : x - Step 2: Convert to fraction form
112,349.68/155,043.48 = 62,049.52/x - Step 3: Cross multiply
112,349.68x = 155,043.48 × 62,049.52 - Step 4: Simplify right side
112,349.68x = 9,620,373,513.13 - Step 5: Solve for x
x = 9,620,373,513.13/112,349.68 - Step 6: Final answer
x = 85,628.85
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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.