Finding the Fourth Proportional to 343,913.61, 515,694.81 and 202,035.99
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Solution
The fourth proportional to 343,913.61, 515,694.81 and 202,035.99 is: 302,950.82
Step by Step Solution
- Step 1: Write the proportion equation
343,913.61 : 515,694.81 = 202,035.99 : x - Step 2: Convert to fraction form
343,913.61/515,694.81 = 202,035.99/x - Step 3: Cross multiply
343,913.61x = 515,694.81 × 202,035.99 - Step 4: Simplify right side
343,913.61x = 104,188,911,476.21 - Step 5: Solve for x
x = 104,188,911,476.21/343,913.61 - Step 6: Final answer
x = 302,950.82
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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.