Finding the Fourth Proportional to 276,946.09, 415,419.12 and 66,584.03
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Solution
The fourth proportional to 276,946.09, 415,419.12 and 66,584.03 is: 99,876.03
Step by Step Solution
- Step 1: Write the proportion equation
276,946.09 : 415,419.12 = 66,584.03 : x - Step 2: Convert to fraction form
276,946.09/415,419.12 = 66,584.03/x - Step 3: Cross multiply
276,946.09x = 415,419.12 × 66,584.03 - Step 4: Simplify right side
276,946.09x = 27,660,277,071.56 - Step 5: Solve for x
x = 27,660,277,071.56/276,946.09 - Step 6: Final answer
x = 99,876.03
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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.