Finding the Fourth Proportional to 234,647.53, 323,813.75 and 127,217.99
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Solution
The fourth proportional to 234,647.53, 323,813.75 and 127,217.99 is: 175,560.91
Step by Step Solution
- Step 1: Write the proportion equation
234,647.53 : 323,813.75 = 127,217.99 : x - Step 2: Convert to fraction form
234,647.53/323,813.75 = 127,217.99/x - Step 3: Cross multiply
234,647.53x = 323,813.75 × 127,217.99 - Step 4: Simplify right side
234,647.53x = 41,194,934,582.81 - Step 5: Solve for x
x = 41,194,934,582.81/234,647.53 - Step 6: Final answer
x = 175,560.91
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.