Finding the Fourth Proportional to 259,773.80, 389,660.70 and 188,925.80
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Solution
The fourth proportional to 259,773.80, 389,660.70 and 188,925.80 is: 283,388.70
Step by Step Solution
- Step 1: Write the proportion equation
259,773.80 : 389,660.70 = 188,925.80 : x - Step 2: Convert to fraction form
259,773.80/389,660.70 = 188,925.80/x - Step 3: Cross multiply
259,773.80x = 389,660.70 × 188,925.80 - Step 4: Simplify right side
259,773.80x = 73,616,959,476.06 - Step 5: Solve for x
x = 73,616,959,476.06/259,773.80 - Step 6: Final answer
x = 283,388.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.