Finding the Fourth Proportional to 367,208.78, 506,618.17 and 239,958.18
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Solution
The fourth proportional to 367,208.78, 506,618.17 and 239,958.18 is: 331,057.38
Step by Step Solution
- Step 1: Write the proportion equation
367,208.78 : 506,618.17 = 239,958.18 : x - Step 2: Convert to fraction form
367,208.78/506,618.17 = 239,958.18/x - Step 3: Cross multiply
367,208.78x = 506,618.17 × 239,958.18 - Step 4: Simplify right side
367,208.78x = 121,567,173,428.24 - Step 5: Solve for x
x = 121,567,173,428.24/367,208.78 - Step 6: Final answer
x = 331,057.38
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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.