Finding the Fourth Proportional to 254,979.36, 351,866.52 and 141,799.68
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Solution
The fourth proportional to 254,979.36, 351,866.52 and 141,799.68 is: 195,680.78
Step by Step Solution
- Step 1: Write the proportion equation
254,979.36 : 351,866.52 = 141,799.68 : x - Step 2: Convert to fraction form
254,979.36/351,866.52 = 141,799.68/x - Step 3: Cross multiply
254,979.36x = 351,866.52 × 141,799.68 - Step 4: Simplify right side
254,979.36x = 49,894,559,938.71 - Step 5: Solve for x
x = 49,894,559,938.71/254,979.36 - Step 6: Final answer
x = 195,680.78
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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.