Finding the Fourth Proportional to 305,132.68, 420,933.46 and 264,789.80
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Solution
The fourth proportional to 305,132.68, 420,933.46 and 264,789.80 is: 365,280.07
Step by Step Solution
- Step 1: Write the proportion equation
305,132.68 : 420,933.46 = 264,789.80 : x - Step 2: Convert to fraction form
305,132.68/420,933.46 = 264,789.80/x - Step 3: Cross multiply
305,132.68x = 420,933.46 × 264,789.80 - Step 4: Simplify right side
305,132.68x = 111,458,886,686.71 - Step 5: Solve for x
x = 111,458,886,686.71/305,132.68 - Step 6: Final answer
x = 365,280.07
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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.