Finding the Fourth Proportional to 489,601.73, 675,663.75 and 274,754.95
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Solution
The fourth proportional to 489,601.73, 675,663.75 and 274,754.95 is: 379,169.33
Step by Step Solution
- Step 1: Write the proportion equation
489,601.73 : 675,663.75 = 274,754.95 : x - Step 2: Convert to fraction form
489,601.73/675,663.75 = 274,754.95/x - Step 3: Cross multiply
489,601.73x = 675,663.75 × 274,754.95 - Step 4: Simplify right side
489,601.73x = 185,641,959,848.06 - Step 5: Solve for x
x = 185,641,959,848.06/489,601.73 - Step 6: Final answer
x = 379,169.33
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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.