Finding the Fourth Proportional to 211,734.08, 292,329.76 and 131,247.20
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Solution
The fourth proportional to 211,734.08, 292,329.76 and 131,247.20 is: 181,205.89
Step by Step Solution
- Step 1: Write the proportion equation
211,734.08 : 292,329.76 = 131,247.20 : x - Step 2: Convert to fraction form
211,734.08/292,329.76 = 131,247.20/x - Step 3: Cross multiply
211,734.08x = 292,329.76 × 131,247.20 - Step 4: Simplify right side
211,734.08x = 38,367,462,476.67 - Step 5: Solve for x
x = 38,367,462,476.67/211,734.08 - Step 6: Final answer
x = 181,205.89
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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.