Finding the Fourth Proportional to 326,335.25, 450,371.15 and 190,412.99
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Solution
The fourth proportional to 326,335.25, 450,371.15 and 190,412.99 is: 262,786.56
Step by Step Solution
- Step 1: Write the proportion equation
326,335.25 : 450,371.15 = 190,412.99 : x - Step 2: Convert to fraction form
326,335.25/450,371.15 = 190,412.99/x - Step 3: Cross multiply
326,335.25x = 450,371.15 × 190,412.99 - Step 4: Simplify right side
326,335.25x = 85,756,516,329.17 - Step 5: Solve for x
x = 85,756,516,329.17/326,335.25 - Step 6: Final answer
x = 262,786.56
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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.