Finding the Fourth Proportional to 270,447.76, 405,567.84 and 92,921.68
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Solution
The fourth proportional to 270,447.76, 405,567.84 and 92,921.68 is: 139,346.86
Step by Step Solution
- Step 1: Write the proportion equation
270,447.76 : 405,567.84 = 92,921.68 : x - Step 2: Convert to fraction form
270,447.76/405,567.84 = 92,921.68/x - Step 3: Cross multiply
270,447.76x = 405,567.84 × 92,921.68 - Step 4: Simplify right side
270,447.76x = 37,686,045,046.77 - Step 5: Solve for x
x = 37,686,045,046.77/270,447.76 - Step 6: Final answer
x = 139,346.86
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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.