Finding the Fourth Proportional to 127,815.41, 191,723.58 and 39,068.57
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Solution
The fourth proportional to 127,815.41, 191,723.58 and 39,068.57 is: 58,602.99
Step by Step Solution
- Step 1: Write the proportion equation
127,815.41 : 191,723.58 = 39,068.57 : x - Step 2: Convert to fraction form
127,815.41/191,723.58 = 39,068.57/x - Step 3: Cross multiply
127,815.41x = 191,723.58 × 39,068.57 - Step 4: Simplify right side
127,815.41x = 7,490,365,147.26 - Step 5: Solve for x
x = 7,490,365,147.26/127,815.41 - Step 6: Final answer
x = 58,602.99
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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.