Finding the Fourth Proportional to 335,521.41, 462,866.97 and 199,478.19
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Solution
The fourth proportional to 335,521.41, 462,866.97 and 199,478.19 is: 275,189.19
Step by Step Solution
- Step 1: Write the proportion equation
335,521.41 : 462,866.97 = 199,478.19 : x - Step 2: Convert to fraction form
335,521.41/462,866.97 = 199,478.19/x - Step 3: Cross multiply
335,521.41x = 462,866.97 × 199,478.19 - Step 4: Simplify right side
335,521.41x = 92,331,865,386.38 - Step 5: Solve for x
x = 92,331,865,386.38/335,521.41 - Step 6: Final answer
x = 275,189.19
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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.