Finding the Fourth Proportional to 276,848.60, 415,013.70 and 216,843.80
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Solution
The fourth proportional to 276,848.60, 415,013.70 and 216,843.80 is: 325,062.68
Step by Step Solution
- Step 1: Write the proportion equation
276,848.60 : 415,013.70 = 216,843.80 : x - Step 2: Convert to fraction form
276,848.60/415,013.70 = 216,843.80/x - Step 3: Cross multiply
276,848.60x = 415,013.70 × 216,843.80 - Step 4: Simplify right side
276,848.60x = 89,993,147,760.06 - Step 5: Solve for x
x = 89,993,147,760.06/276,848.60 - Step 6: Final answer
x = 325,062.68
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1.5x scale
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.