Finding the Fourth Proportional to 135,099.60, 202,722.36 and 56,268.24
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Solution
The fourth proportional to 135,099.60, 202,722.36 and 56,268.24 is: 84,432.75
Step by Step Solution
- Step 1: Write the proportion equation
135,099.60 : 202,722.36 = 56,268.24 : x - Step 2: Convert to fraction form
135,099.60/202,722.36 = 56,268.24/x - Step 3: Cross multiply
135,099.60x = 202,722.36 × 56,268.24 - Step 4: Simplify right side
135,099.60x = 11,406,830,405.85 - Step 5: Solve for x
x = 11,406,830,405.85/135,099.60 - Step 6: Final answer
x = 84,432.75
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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.