Finding the Fourth Proportional to 127,112.18, 190,554.93 and 48,281.76
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Solution
The fourth proportional to 127,112.18, 190,554.93 and 48,281.76 is: 72,379.59
Step by Step Solution
- Step 1: Write the proportion equation
127,112.18 : 190,554.93 = 48,281.76 : x - Step 2: Convert to fraction form
127,112.18/190,554.93 = 48,281.76/x - Step 3: Cross multiply
127,112.18x = 190,554.93 × 48,281.76 - Step 4: Simplify right side
127,112.18x = 9,200,327,397.08 - Step 5: Solve for x
x = 9,200,327,397.08/127,112.18 - Step 6: Final answer
x = 72,379.59
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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.