Finding the Fourth Proportional to 658,787.36, 988,239.39 and 185,476.82
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Solution
The fourth proportional to 658,787.36, 988,239.39 and 185,476.82 is: 278,231.66
Step by Step Solution
- Step 1: Write the proportion equation
658,787.36 : 988,239.39 = 185,476.82 : x - Step 2: Convert to fraction form
658,787.36/988,239.39 = 185,476.82/x - Step 3: Cross multiply
658,787.36x = 988,239.39 × 185,476.82 - Step 4: Simplify right side
658,787.36x = 183,295,499,455.94 - Step 5: Solve for x
x = 183,295,499,455.94/658,787.36 - Step 6: Final answer
x = 278,231.66
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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.