Finding the Fourth Proportional to 338,323.68, 506,082.96 and 257,751.99
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Solution
The fourth proportional to 338,323.68, 506,082.96 and 257,751.99 is: 385,559.44
Step by Step Solution
- Step 1: Write the proportion equation
338,323.68 : 506,082.96 = 257,751.99 : x - Step 2: Convert to fraction form
338,323.68/506,082.96 = 257,751.99/x - Step 3: Cross multiply
338,323.68x = 506,082.96 × 257,751.99 - Step 4: Simplify right side
338,323.68x = 130,443,890,045.09 - Step 5: Solve for x
x = 130,443,890,045.09/338,323.68 - Step 6: Final answer
x = 385,559.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.