Finding the Fourth Proportional to 254,193.62, 381,292.98 and 76,702.10
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Solution
The fourth proportional to 254,193.62, 381,292.98 and 76,702.10 is: 115,053.92
Step by Step Solution
- Step 1: Write the proportion equation
254,193.62 : 381,292.98 = 76,702.10 : x - Step 2: Convert to fraction form
254,193.62/381,292.98 = 76,702.10/x - Step 3: Cross multiply
254,193.62x = 381,292.98 × 76,702.10 - Step 4: Simplify right side
254,193.62x = 29,245,972,281.26 - Step 5: Solve for x
x = 29,245,972,281.26/254,193.62 - Step 6: Final answer
x = 115,053.92
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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.