Finding the Fourth Proportional to 326,588.82, 489,882.72 and 214,242.28
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Solution
The fourth proportional to 326,588.82, 489,882.72 and 214,242.28 is: 321,363.09
Step by Step Solution
- Step 1: Write the proportion equation
326,588.82 : 489,882.72 = 214,242.28 : x - Step 2: Convert to fraction form
326,588.82/489,882.72 = 214,242.28/x - Step 3: Cross multiply
326,588.82x = 489,882.72 × 214,242.28 - Step 4: Simplify right side
326,588.82x = 104,953,590,865.40 - Step 5: Solve for x
x = 104,953,590,865.40/326,588.82 - Step 6: Final answer
x = 321,363.09
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1.5x scale
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.