Finding the Fourth Proportional to 147,390.44, 221,128.74 and 47,548.44
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Solution
The fourth proportional to 147,390.44, 221,128.74 and 47,548.44 is: 71,336.56
Step by Step Solution
- Step 1: Write the proportion equation
147,390.44 : 221,128.74 = 47,548.44 : x - Step 2: Convert to fraction form
147,390.44/221,128.74 = 47,548.44/x - Step 3: Cross multiply
147,390.44x = 221,128.74 × 47,548.44 - Step 4: Simplify right side
147,390.44x = 10,514,326,626.17 - Step 5: Solve for x
x = 10,514,326,626.17/147,390.44 - Step 6: Final answer
x = 71,336.56
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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.