Finding the Fourth Proportional to 254,514.03, 351,236.73 and 145,636.07
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Solution
The fourth proportional to 254,514.03, 351,236.73 and 145,636.07 is: 200,981.99
Step by Step Solution
- Step 1: Write the proportion equation
254,514.03 : 351,236.73 = 145,636.07 : x - Step 2: Convert to fraction form
254,514.03/351,236.73 = 145,636.07/x - Step 3: Cross multiply
254,514.03x = 351,236.73 × 145,636.07 - Step 4: Simplify right side
254,514.03x = 51,152,735,240.67 - Step 5: Solve for x
x = 51,152,735,240.67/254,514.03 - Step 6: Final answer
x = 200,981.99
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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.