Finding the Fourth Proportional to 208,732.68, 310,588.29 and 208,032.84
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Solution
The fourth proportional to 208,732.68, 310,588.29 and 208,032.84 is: 309,546.95
Step by Step Solution
- Step 1: Write the proportion equation
208,732.68 : 310,588.29 = 208,032.84 : x - Step 2: Convert to fraction form
208,732.68/310,588.29 = 208,032.84/x - Step 3: Cross multiply
208,732.68x = 310,588.29 × 208,032.84 - Step 4: Simplify right side
208,732.68x = 64,612,564,039.44 - Step 5: Solve for x
x = 64,612,564,039.44/208,732.68 - Step 6: Final answer
x = 309,546.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.