Finding the Fourth Proportional to 578,509.26, 867,674.79 and 157,817.94
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Solution
The fourth proportional to 578,509.26, 867,674.79 and 157,817.94 is: 236,702.60
Step by Step Solution
- Step 1: Write the proportion equation
578,509.26 : 867,674.79 = 157,817.94 : x - Step 2: Convert to fraction form
578,509.26/867,674.79 = 157,817.94/x - Step 3: Cross multiply
578,509.26x = 867,674.79 × 157,817.94 - Step 4: Simplify right side
578,509.26x = 136,934,647,947.73 - Step 5: Solve for x
x = 136,934,647,947.73/578,509.26 - Step 6: Final answer
x = 236,702.60
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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.