Finding the Fourth Proportional to 313,282.09, 432,329.32 and 170,042.09
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Solution
The fourth proportional to 313,282.09, 432,329.32 and 170,042.09 is: 234,658.10
Step by Step Solution
- Step 1: Write the proportion equation
313,282.09 : 432,329.32 = 170,042.09 : x - Step 2: Convert to fraction form
313,282.09/432,329.32 = 170,042.09/x - Step 3: Cross multiply
313,282.09x = 432,329.32 × 170,042.09 - Step 4: Simplify right side
313,282.09x = 73,514,180,290.87 - Step 5: Solve for x
x = 73,514,180,290.87/313,282.09 - Step 6: Final answer
x = 234,658.10
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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.