Finding the Fourth Proportional to 270,445.76, 405,564.84 and 92,919.68
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Solution
The fourth proportional to 270,445.76, 405,564.84 and 92,919.68 is: 139,343.86
Step by Step Solution
- Step 1: Write the proportion equation
270,445.76 : 405,564.84 = 92,919.68 : x - Step 2: Convert to fraction form
270,445.76/405,564.84 = 92,919.68/x - Step 3: Cross multiply
270,445.76x = 405,564.84 × 92,919.68 - Step 4: Simplify right side
270,445.76x = 37,684,955,152.05 - Step 5: Solve for x
x = 37,684,955,152.05/270,445.76 - Step 6: Final answer
x = 139,343.86
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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.