Finding the Fourth Proportional to 364,543.20, 503,020.80 and 203,374.80
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Solution
The fourth proportional to 364,543.20, 503,020.80 and 203,374.80 is: 280,629.99
Step by Step Solution
- Step 1: Write the proportion equation
364,543.20 : 503,020.80 = 203,374.80 : x - Step 2: Convert to fraction form
364,543.20/503,020.80 = 203,374.80/x - Step 3: Cross multiply
364,543.20x = 503,020.80 × 203,374.80 - Step 4: Simplify right side
364,543.20x = 102,301,754,595.84 - Step 5: Solve for x
x = 102,301,754,595.84/364,543.20 - Step 6: Final answer
x = 280,629.99
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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.