Finding the Fourth Proportional to 221,045.31, 331,290.51 and 94,536.75
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Solution
The fourth proportional to 221,045.31, 331,290.51 and 94,536.75 is: 141,686.46
Step by Step Solution
- Step 1: Write the proportion equation
221,045.31 : 331,290.51 = 94,536.75 : x - Step 2: Convert to fraction form
221,045.31/331,290.51 = 94,536.75/x - Step 3: Cross multiply
221,045.31x = 331,290.51 × 94,536.75 - Step 4: Simplify right side
221,045.31x = 31,319,128,121.24 - Step 5: Solve for x
x = 31,319,128,121.24/221,045.31 - Step 6: Final answer
x = 141,686.46
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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.