Finding the Fourth Proportional to 938,147.19, 1,407,207.42 and 228,176.52
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Solution
The fourth proportional to 938,147.19, 1,407,207.42 and 228,176.52 is: 342,261.53
Step by Step Solution
- Step 1: Write the proportion equation
938,147.19 : 1,407,207.42 = 228,176.52 : x - Step 2: Convert to fraction form
938,147.19/1,407,207.42 = 228,176.52/x - Step 3: Cross multiply
938,147.19x = 1,407,207.42 × 228,176.52 - Step 4: Simplify right side
938,147.19x = 321,091,692,013.78 - Step 5: Solve for x
x = 321,091,692,013.78/938,147.19 - Step 6: Final answer
x = 342,261.53
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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.