Finding the Fourth Proportional to 415,687.68, 623,309.58 and 215,806.68
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Solution
The fourth proportional to 415,687.68, 623,309.58 and 215,806.68 is: 323,594.80
Step by Step Solution
- Step 1: Write the proportion equation
415,687.68 : 623,309.58 = 215,806.68 : x - Step 2: Convert to fraction form
415,687.68/623,309.58 = 215,806.68/x - Step 3: Cross multiply
415,687.68x = 623,309.58 × 215,806.68 - Step 4: Simplify right side
415,687.68x = 134,514,371,071.99 - Step 5: Solve for x
x = 134,514,371,071.99/415,687.68 - Step 6: Final answer
x = 323,594.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.