Finding the Fourth Proportional to 416,476.80, 574,697.16 and 246,678.12
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Solution
The fourth proportional to 416,476.80, 574,697.16 and 246,678.12 is: 340,391.63
Step by Step Solution
- Step 1: Write the proportion equation
416,476.80 : 574,697.16 = 246,678.12 : x - Step 2: Convert to fraction form
416,476.80/574,697.16 = 246,678.12/x - Step 3: Cross multiply
416,476.80x = 574,697.16 × 246,678.12 - Step 4: Simplify right side
416,476.80x = 141,765,214,998.14 - Step 5: Solve for x
x = 141,765,214,998.14/416,476.80 - Step 6: Final answer
x = 340,391.63
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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.