Finding the Fourth Proportional to 221,827.36, 305,763.12 and 173,345.03
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Solution
The fourth proportional to 221,827.36, 305,763.12 and 173,345.03 is: 238,935.88
Step by Step Solution
- Step 1: Write the proportion equation
221,827.36 : 305,763.12 = 173,345.03 : x - Step 2: Convert to fraction form
221,827.36/305,763.12 = 173,345.03/x - Step 3: Cross multiply
221,827.36x = 305,763.12 × 173,345.03 - Step 4: Simplify right side
221,827.36x = 53,002,515,680.48 - Step 5: Solve for x
x = 53,002,515,680.48/221,827.36 - Step 6: Final answer
x = 238,935.88
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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.