Finding the Fourth Proportional to 467,253.05, 644,809.11 and 252,393.12
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Solution
The fourth proportional to 467,253.05, 644,809.11 and 252,393.12 is: 348,302.45
Step by Step Solution
- Step 1: Write the proportion equation
467,253.05 : 644,809.11 = 252,393.12 : x - Step 2: Convert to fraction form
467,253.05/644,809.11 = 252,393.12/x - Step 3: Cross multiply
467,253.05x = 644,809.11 × 252,393.12 - Step 4: Simplify right side
467,253.05x = 162,745,383,077.32 - Step 5: Solve for x
x = 162,745,383,077.32/467,253.05 - Step 6: Final answer
x = 348,302.45
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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.