Finding the Fourth Proportional to 326,703.98, 450,836.55 and 181,519.99
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Solution
The fourth proportional to 326,703.98, 450,836.55 and 181,519.99 is: 250,489.28
Step by Step Solution
- Step 1: Write the proportion equation
326,703.98 : 450,836.55 = 181,519.99 : x - Step 2: Convert to fraction form
326,703.98/450,836.55 = 181,519.99/x - Step 3: Cross multiply
326,703.98x = 450,836.55 × 181,519.99 - Step 4: Simplify right side
326,703.98x = 81,835,844,920.54 - Step 5: Solve for x
x = 81,835,844,920.54/326,703.98 - Step 6: Final answer
x = 250,489.28
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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.