Finding the Fourth Proportional to 508,642.92, 701,902.18 and 279,194.60
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Solution
The fourth proportional to 508,642.92, 701,902.18 and 279,194.60 is: 385,274.80
Step by Step Solution
- Step 1: Write the proportion equation
508,642.92 : 701,902.18 = 279,194.60 : x - Step 2: Convert to fraction form
508,642.92/701,902.18 = 279,194.60/x - Step 3: Cross multiply
508,642.92x = 701,902.18 × 279,194.60 - Step 4: Simplify right side
508,642.92x = 195,967,298,384.23 - Step 5: Solve for x
x = 195,967,298,384.23/508,642.92 - Step 6: Final answer
x = 385,274.80
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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.