Finding the Fourth Proportional to 286,236.95, 431,412.87 and 246,732.75
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Solution
The fourth proportional to 286,236.95, 431,412.87 and 246,732.75 is: 371,872.61
Step by Step Solution
- Step 1: Write the proportion equation
286,236.95 : 431,412.87 = 246,732.75 : x - Step 2: Convert to fraction form
286,236.95/431,412.87 = 246,732.75/x - Step 3: Cross multiply
286,236.95x = 431,412.87 × 246,732.75 - Step 4: Simplify right side
286,236.95x = 106,443,683,800.49 - Step 5: Solve for x
x = 106,443,683,800.49/286,236.95 - Step 6: Final answer
x = 371,872.61
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.