Finding the Fourth Proportional to 285,295.06, 393,702.37 and 157,967.92
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Solution
The fourth proportional to 285,295.06, 393,702.37 and 157,967.92 is: 217,993.07
Step by Step Solution
- Step 1: Write the proportion equation
285,295.06 : 393,702.37 = 157,967.92 : x - Step 2: Convert to fraction form
285,295.06/393,702.37 = 157,967.92/x - Step 3: Cross multiply
285,295.06x = 393,702.37 × 157,967.92 - Step 4: Simplify right side
285,295.06x = 62,192,345,473.75 - Step 5: Solve for x
x = 62,192,345,473.75/285,295.06 - Step 6: Final answer
x = 217,993.07
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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.