Finding the Fourth Proportional to 354,290.04, 488,904.12 and 201,324.78
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Solution
The fourth proportional to 354,290.04, 488,904.12 and 201,324.78 is: 277,819.03
Step by Step Solution
- Step 1: Write the proportion equation
354,290.04 : 488,904.12 = 201,324.78 : x - Step 2: Convert to fraction form
354,290.04/488,904.12 = 201,324.78/x - Step 3: Cross multiply
354,290.04x = 488,904.12 × 201,324.78 - Step 4: Simplify right side
354,290.04x = 98,428,514,400.09 - Step 5: Solve for x
x = 98,428,514,400.09/354,290.04 - Step 6: Final answer
x = 277,819.03
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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.