Finding the Fourth Proportional to 215,518.24, 297,392.80 and 132,719.06
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Solution
The fourth proportional to 215,518.24, 297,392.80 and 132,719.06 is: 183,138.53
Step by Step Solution
- Step 1: Write the proportion equation
215,518.24 : 297,392.80 = 132,719.06 : x - Step 2: Convert to fraction form
215,518.24/297,392.80 = 132,719.06/x - Step 3: Cross multiply
215,518.24x = 297,392.80 × 132,719.06 - Step 4: Simplify right side
215,518.24x = 39,469,692,203.17 - Step 5: Solve for x
x = 39,469,692,203.17/215,518.24 - Step 6: Final answer
x = 183,138.53
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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.