Finding the Fourth Proportional to 214,725.12, 296,348.02 and 129,842.80
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Solution
The fourth proportional to 214,725.12, 296,348.02 and 129,842.80 is: 179,199.61
Step by Step Solution
- Step 1: Write the proportion equation
214,725.12 : 296,348.02 = 129,842.80 : x - Step 2: Convert to fraction form
214,725.12/296,348.02 = 129,842.80/x - Step 3: Cross multiply
214,725.12x = 296,348.02 × 129,842.80 - Step 4: Simplify right side
214,725.12x = 38,478,656,691.26 - Step 5: Solve for x
x = 38,478,656,691.26/214,725.12 - Step 6: Final answer
x = 179,199.61
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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.