Finding the Fourth Proportional to 205,371.61, 283,402.71 and 114,709.53
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Solution
The fourth proportional to 205,371.61, 283,402.71 and 114,709.53 is: 158,293.49
Step by Step Solution
- Step 1: Write the proportion equation
205,371.61 : 283,402.71 = 114,709.53 : x - Step 2: Convert to fraction form
205,371.61/283,402.71 = 114,709.53/x - Step 3: Cross multiply
205,371.61x = 283,402.71 × 114,709.53 - Step 4: Simplify right side
205,371.61x = 32,508,989,674.27 - Step 5: Solve for x
x = 32,508,989,674.27/205,371.61 - Step 6: Final answer
x = 158,293.49
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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.