Finding the Fourth Proportional to 306,026.20, 422,307.68 and 170,056.62
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Solution
The fourth proportional to 306,026.20, 422,307.68 and 170,056.62 is: 234,673.43
Step by Step Solution
- Step 1: Write the proportion equation
306,026.20 : 422,307.68 = 170,056.62 : x - Step 2: Convert to fraction form
306,026.20/422,307.68 = 170,056.62/x - Step 3: Cross multiply
306,026.20x = 422,307.68 × 170,056.62 - Step 4: Simplify right side
306,026.20x = 71,816,216,660.84 - Step 5: Solve for x
x = 71,816,216,660.84/306,026.20 - Step 6: Final answer
x = 234,673.43
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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.