Finding the Fourth Proportional to 127,117.98, 190,602.21 and 48,237.75
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Solution
The fourth proportional to 127,117.98, 190,602.21 and 48,237.75 is: 72,328.26
Step by Step Solution
- Step 1: Write the proportion equation
127,117.98 : 190,602.21 = 48,237.75 : x - Step 2: Convert to fraction form
127,117.98/190,602.21 = 48,237.75/x - Step 3: Cross multiply
127,117.98x = 190,602.21 × 48,237.75 - Step 4: Simplify right side
127,117.98x = 9,194,221,755.43 - Step 5: Solve for x
x = 9,194,221,755.43/127,117.98 - Step 6: Final answer
x = 72,328.26
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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.