Finding the Fourth Proportional to 338,721.69, 467,442.36 and 185,750.19
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Solution
The fourth proportional to 338,721.69, 467,442.36 and 185,750.19 is: 256,338.79
Step by Step Solution
- Step 1: Write the proportion equation
338,721.69 : 467,442.36 = 185,750.19 : x - Step 2: Convert to fraction form
338,721.69/467,442.36 = 185,750.19/x - Step 3: Cross multiply
338,721.69x = 467,442.36 × 185,750.19 - Step 4: Simplify right side
338,721.69x = 86,827,507,184.05 - Step 5: Solve for x
x = 86,827,507,184.05/338,721.69 - Step 6: Final answer
x = 256,338.79
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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.