Finding the Fourth Proportional to 135,519.08, 203,241.90 and 56,616.80
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Solution
The fourth proportional to 135,519.08, 203,241.90 and 56,616.80 is: 84,909.86
Step by Step Solution
- Step 1: Write the proportion equation
135,519.08 : 203,241.90 = 56,616.80 : x - Step 2: Convert to fraction form
135,519.08/203,241.90 = 56,616.80/x - Step 3: Cross multiply
135,519.08x = 203,241.90 × 56,616.80 - Step 4: Simplify right side
135,519.08x = 11,506,906,003.92 - Step 5: Solve for x
x = 11,506,906,003.92/135,519.08 - Step 6: Final answer
x = 84,909.86
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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.