Finding the Fourth Proportional to 234,921.62, 324,031.26 and 150,000.38
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Solution
The fourth proportional to 234,921.62, 324,031.26 and 150,000.38 is: 206,897.99
Step by Step Solution
- Step 1: Write the proportion equation
234,921.62 : 324,031.26 = 150,000.38 : x - Step 2: Convert to fraction form
234,921.62/324,031.26 = 150,000.38/x - Step 3: Cross multiply
234,921.62x = 324,031.26 × 150,000.38 - Step 4: Simplify right side
234,921.62x = 48,604,812,131.88 - Step 5: Solve for x
x = 48,604,812,131.88/234,921.62 - Step 6: Final answer
x = 206,897.99
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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.