Finding the Fourth Proportional to 171,235.66, 256,855.26 and 76,470.67
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Solution
The fourth proportional to 171,235.66, 256,855.26 and 76,470.67 is: 114,706.80
Step by Step Solution
- Step 1: Write the proportion equation
171,235.66 : 256,855.26 = 76,470.67 : x - Step 2: Convert to fraction form
171,235.66/256,855.26 = 76,470.67/x - Step 3: Cross multiply
171,235.66x = 256,855.26 × 76,470.67 - Step 4: Simplify right side
171,235.66x = 19,641,893,825.22 - Step 5: Solve for x
x = 19,641,893,825.22/171,235.66 - Step 6: Final answer
x = 114,706.80
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1.5x scale
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.