Finding the Fourth Proportional to 438,418.24, 657,634.65 and 122,863.30
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Solution
The fourth proportional to 438,418.24, 657,634.65 and 122,863.30 is: 184,296.99
Step by Step Solution
- Step 1: Write the proportion equation
438,418.24 : 657,634.65 = 122,863.30 : x - Step 2: Convert to fraction form
438,418.24/657,634.65 = 122,863.30/x - Step 3: Cross multiply
438,418.24x = 657,634.65 × 122,863.30 - Step 4: Simplify right side
438,418.24x = 80,799,163,293.35 - Step 5: Solve for x
x = 80,799,163,293.35/438,418.24 - Step 6: Final answer
x = 184,296.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.