Finding the Fourth Proportional to 135,461.64, 203,224.90 and 56,531.96
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Solution
The fourth proportional to 135,461.64, 203,224.90 and 56,531.96 is: 84,811.48
Step by Step Solution
- Step 1: Write the proportion equation
135,461.64 : 203,224.90 = 56,531.96 : x - Step 2: Convert to fraction form
135,461.64/203,224.90 = 56,531.96/x - Step 3: Cross multiply
135,461.64x = 203,224.90 × 56,531.96 - Step 4: Simplify right side
135,461.64x = 11,488,701,917.80 - Step 5: Solve for x
x = 11,488,701,917.80/135,461.64 - Step 6: Final answer
x = 84,811.48
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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.