Finding the Fourth Proportional to 248,725.43, 343,134.70 and 162,534.79
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Solution
The fourth proportional to 248,725.43, 343,134.70 and 162,534.79 is: 224,228.49
Step by Step Solution
- Step 1: Write the proportion equation
248,725.43 : 343,134.70 = 162,534.79 : x - Step 2: Convert to fraction form
248,725.43/343,134.70 = 162,534.79/x - Step 3: Cross multiply
248,725.43x = 343,134.70 × 162,534.79 - Step 4: Simplify right side
248,725.43x = 55,771,328,146.21 - Step 5: Solve for x
x = 55,771,328,146.21/248,725.43 - Step 6: Final answer
x = 224,228.49
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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.