Finding the Fourth Proportional to 534,766.26, 802,140.84 and 129,961.74
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Solution
The fourth proportional to 534,766.26, 802,140.84 and 129,961.74 is: 194,940.53
Step by Step Solution
- Step 1: Write the proportion equation
534,766.26 : 802,140.84 = 129,961.74 : x - Step 2: Convert to fraction form
534,766.26/802,140.84 = 129,961.74/x - Step 3: Cross multiply
534,766.26x = 802,140.84 × 129,961.74 - Step 4: Simplify right side
534,766.26x = 104,247,619,291.46 - Step 5: Solve for x
x = 104,247,619,291.46/534,766.26 - Step 6: Final answer
x = 194,940.53
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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.