Finding the Fourth Proportional to 135,953.34, 203,959.18 and 57,022.08
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Solution
The fourth proportional to 135,953.34, 203,959.18 and 57,022.08 is: 85,545.35
Step by Step Solution
- Step 1: Write the proportion equation
135,953.34 : 203,959.18 = 57,022.08 : x - Step 2: Convert to fraction form
135,953.34/203,959.18 = 57,022.08/x - Step 3: Cross multiply
135,953.34x = 203,959.18 × 57,022.08 - Step 4: Simplify right side
135,953.34x = 11,630,176,678.69 - Step 5: Solve for x
x = 11,630,176,678.69/135,953.34 - Step 6: Final answer
x = 85,545.35
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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.