Finding the Fourth Proportional to 450,778.24, 676,279.68 and 135,240.96
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Solution
The fourth proportional to 450,778.24, 676,279.68 and 135,240.96 is: 202,895.14
Step by Step Solution
- Step 1: Write the proportion equation
450,778.24 : 676,279.68 = 135,240.96 : x - Step 2: Convert to fraction form
450,778.24/676,279.68 = 135,240.96/x - Step 3: Cross multiply
450,778.24x = 676,279.68 × 135,240.96 - Step 4: Simplify right side
450,778.24x = 91,460,713,151.69 - Step 5: Solve for x
x = 91,460,713,151.69/450,778.24 - Step 6: Final answer
x = 202,895.14
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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.