Finding the Fourth Proportional to 94,228.08, 141,351.36 and 31,048.72
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Solution
The fourth proportional to 94,228.08, 141,351.36 and 31,048.72 is: 46,576.12
Step by Step Solution
- Step 1: Write the proportion equation
94,228.08 : 141,351.36 = 31,048.72 : x - Step 2: Convert to fraction form
94,228.08/141,351.36 = 31,048.72/x - Step 3: Cross multiply
94,228.08x = 141,351.36 × 31,048.72 - Step 4: Simplify right side
94,228.08x = 4,388,778,798.26 - Step 5: Solve for x
x = 4,388,778,798.26/94,228.08 - Step 6: Final answer
x = 46,576.12
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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.