Finding the Fourth Proportional to 147,901.63, 221,874.93 and 54,400.09
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Solution
The fourth proportional to 147,901.63, 221,874.93 and 54,400.09 is: 81,608.41
Step by Step Solution
- Step 1: Write the proportion equation
147,901.63 : 221,874.93 = 54,400.09 : x - Step 2: Convert to fraction form
147,901.63/221,874.93 = 54,400.09/x - Step 3: Cross multiply
147,901.63x = 221,874.93 × 54,400.09 - Step 4: Simplify right side
147,901.63x = 12,070,016,160.74 - Step 5: Solve for x
x = 12,070,016,160.74/147,901.63 - Step 6: Final answer
x = 81,608.41
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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.