Finding the Fourth Proportional to 148,532.92, 204,956.52 and 84,874.84
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Solution
The fourth proportional to 148,532.92, 204,956.52 and 84,874.84 is: 117,116.47
Step by Step Solution
- Step 1: Write the proportion equation
148,532.92 : 204,956.52 = 84,874.84 : x - Step 2: Convert to fraction form
148,532.92/204,956.52 = 84,874.84/x - Step 3: Cross multiply
148,532.92x = 204,956.52 × 84,874.84 - Step 4: Simplify right side
148,532.92x = 17,395,651,841.96 - Step 5: Solve for x
x = 17,395,651,841.96/148,532.92 - Step 6: Final answer
x = 117,116.47
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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.