Finding the Fourth Proportional to 274,565.79, 411,806.36 and 74,902.41
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Solution
The fourth proportional to 274,565.79, 411,806.36 and 74,902.41 is: 112,342.07
Step by Step Solution
- Step 1: Write the proportion equation
274,565.79 : 411,806.36 = 74,902.41 : x - Step 2: Convert to fraction form
274,565.79/411,806.36 = 74,902.41/x - Step 3: Cross multiply
274,565.79x = 411,806.36 × 74,902.41 - Step 4: Simplify right side
274,565.79x = 30,845,288,442.82 - Step 5: Solve for x
x = 30,845,288,442.82/274,565.79 - Step 6: Final answer
x = 112,342.07
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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.