Finding the Fourth Proportional to 127,567.80, 190,914.30 and 88,201.80
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Solution
The fourth proportional to 127,567.80, 190,914.30 and 88,201.80 is: 132,000.28
Step by Step Solution
- Step 1: Write the proportion equation
127,567.80 : 190,914.30 = 88,201.80 : x - Step 2: Convert to fraction form
127,567.80/190,914.30 = 88,201.80/x - Step 3: Cross multiply
127,567.80x = 190,914.30 × 88,201.80 - Step 4: Simplify right side
127,567.80x = 16,838,984,905.74 - Step 5: Solve for x
x = 16,838,984,905.74/127,567.80 - Step 6: Final answer
x = 132,000.28
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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.