Finding the Fourth Proportional to 313,514.36, 432,664.80 and 192,660.68
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Solution
The fourth proportional to 313,514.36, 432,664.80 and 192,660.68 is: 265,880.95
Step by Step Solution
- Step 1: Write the proportion equation
313,514.36 : 432,664.80 = 192,660.68 : x - Step 2: Convert to fraction form
313,514.36/432,664.80 = 192,660.68/x - Step 3: Cross multiply
313,514.36x = 432,664.80 × 192,660.68 - Step 4: Simplify right side
313,514.36x = 83,357,494,580.06 - Step 5: Solve for x
x = 83,357,494,580.06/313,514.36 - Step 6: Final answer
x = 265,880.95
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1.5x scale
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.