Finding the Fourth Proportional to 127,252.14, 190,878.21 and 48,347.70
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Solution
The fourth proportional to 127,252.14, 190,878.21 and 48,347.70 is: 72,521.55
Step by Step Solution
- Step 1: Write the proportion equation
127,252.14 : 190,878.21 = 48,347.70 : x - Step 2: Convert to fraction form
127,252.14/190,878.21 = 48,347.70/x - Step 3: Cross multiply
127,252.14x = 190,878.21 × 48,347.70 - Step 4: Simplify right side
127,252.14x = 9,228,522,433.62 - Step 5: Solve for x
x = 9,228,522,433.62/127,252.14 - Step 6: Final answer
x = 72,521.55
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1.5x scale
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.