Finding the Fourth Proportional to 135,545.76, 203,249.52 and 56,638.80
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Solution
The fourth proportional to 135,545.76, 203,249.52 and 56,638.80 is: 84,929.32
Step by Step Solution
- Step 1: Write the proportion equation
135,545.76 : 203,249.52 = 56,638.80 : x - Step 2: Convert to fraction form
135,545.76/203,249.52 = 56,638.80/x - Step 3: Cross multiply
135,545.76x = 203,249.52 × 56,638.80 - Step 4: Simplify right side
135,545.76x = 11,511,808,913.38 - Step 5: Solve for x
x = 11,511,808,913.38/135,545.76 - Step 6: Final answer
x = 84,929.32
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1.5x scale
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.