Finding the Fourth Proportional to 235,439.26, 350,940.98 and 216,543.58
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Solution
The fourth proportional to 235,439.26, 350,940.98 and 216,543.58 is: 322,775.46
Step by Step Solution
- Step 1: Write the proportion equation
235,439.26 : 350,940.98 = 216,543.58 : x - Step 2: Convert to fraction form
235,439.26/350,940.98 = 216,543.58/x - Step 3: Cross multiply
235,439.26x = 350,940.98 × 216,543.58 - Step 4: Simplify right side
235,439.26x = 75,994,016,177.91 - Step 5: Solve for x
x = 75,994,016,177.91/235,439.26 - Step 6: Final answer
x = 322,775.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.