Finding the Fourth Proportional to 106,241.28, 159,379.23 and 31,368.99
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Solution
The fourth proportional to 106,241.28, 159,379.23 and 31,368.99 is: 47,058.60
Step by Step Solution
- Step 1: Write the proportion equation
106,241.28 : 159,379.23 = 31,368.99 : x - Step 2: Convert to fraction form
106,241.28/159,379.23 = 31,368.99/x - Step 3: Cross multiply
106,241.28x = 159,379.23 × 31,368.99 - Step 4: Simplify right side
106,241.28x = 4,999,566,069.75 - Step 5: Solve for x
x = 4,999,566,069.75/106,241.28 - Step 6: Final answer
x = 47,058.60
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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.