Finding the Fourth Proportional to 201,331.68, 277,830.72 and 129,714.72
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Solution
The fourth proportional to 201,331.68, 277,830.72 and 129,714.72 is: 179,001.80
Step by Step Solution
- Step 1: Write the proportion equation
201,331.68 : 277,830.72 = 129,714.72 : x - Step 2: Convert to fraction form
201,331.68/277,830.72 = 129,714.72/x - Step 3: Cross multiply
201,331.68x = 277,830.72 × 129,714.72 - Step 4: Simplify right side
201,331.68x = 36,038,734,052.20 - Step 5: Solve for x
x = 36,038,734,052.20/201,331.68 - Step 6: Final answer
x = 179,001.80
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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.