Finding the Fourth Proportional to 126,362.62, 174,379.35 and 69,772.78
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Solution
The fourth proportional to 126,362.62, 174,379.35 and 69,772.78 is: 96,285.85
Step by Step Solution
- Step 1: Write the proportion equation
126,362.62 : 174,379.35 = 69,772.78 : x - Step 2: Convert to fraction form
126,362.62/174,379.35 = 69,772.78/x - Step 3: Cross multiply
126,362.62x = 174,379.35 × 69,772.78 - Step 4: Simplify right side
126,362.62x = 12,166,932,111.24 - Step 5: Solve for x
x = 12,166,932,111.24/126,362.62 - Step 6: Final answer
x = 96,285.85
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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.