Finding the Fourth Proportional to 424,866.96, 637,396.44 and 140,556.82
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Solution
The fourth proportional to 424,866.96, 637,396.44 and 140,556.82 is: 210,866.99
Step by Step Solution
- Step 1: Write the proportion equation
424,866.96 : 637,396.44 = 140,556.82 : x - Step 2: Convert to fraction form
424,866.96/637,396.44 = 140,556.82/x - Step 3: Cross multiply
424,866.96x = 637,396.44 × 140,556.82 - Step 4: Simplify right side
424,866.96x = 89,590,416,685.72 - Step 5: Solve for x
x = 89,590,416,685.72/424,866.96 - Step 6: Final answer
x = 210,866.99
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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.