Finding the Fourth Proportional to 235,670.26, 353,560.74 and 77,898.70
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Solution
The fourth proportional to 235,670.26, 353,560.74 and 77,898.70 is: 116,866.35
Step by Step Solution
- Step 1: Write the proportion equation
235,670.26 : 353,560.74 = 77,898.70 : x - Step 2: Convert to fraction form
235,670.26/353,560.74 = 77,898.70/x - Step 3: Cross multiply
235,670.26x = 353,560.74 × 77,898.70 - Step 4: Simplify right side
235,670.26x = 27,541,922,017.04 - Step 5: Solve for x
x = 27,541,922,017.04/235,670.26 - Step 6: Final answer
x = 116,866.35
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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.