Finding the Fourth Proportional to 146,506.08, 202,178.64 and 79,438.08
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Solution
The fourth proportional to 146,506.08, 202,178.64 and 79,438.08 is: 109,624.69
Step by Step Solution
- Step 1: Write the proportion equation
146,506.08 : 202,178.64 = 79,438.08 : x - Step 2: Convert to fraction form
146,506.08/202,178.64 = 79,438.08/x - Step 3: Cross multiply
146,506.08x = 202,178.64 × 79,438.08 - Step 4: Simplify right side
146,506.08x = 16,060,682,978.61 - Step 5: Solve for x
x = 16,060,682,978.61/146,506.08 - Step 6: Final answer
x = 109,624.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.