Finding the Fourth Proportional to 445,420.19, 614,535.24 and 251,809.13
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Solution
The fourth proportional to 445,420.19, 614,535.24 and 251,809.13 is: 347,414.84
Step by Step Solution
- Step 1: Write the proportion equation
445,420.19 : 614,535.24 = 251,809.13 : x - Step 2: Convert to fraction form
445,420.19/614,535.24 = 251,809.13/x - Step 3: Cross multiply
445,420.19x = 614,535.24 × 251,809.13 - Step 4: Simplify right side
445,420.19x = 154,745,581,066.07 - Step 5: Solve for x
x = 154,745,581,066.07/445,420.19 - Step 6: Final answer
x = 347,414.84
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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.