Finding the Fourth Proportional to 107,958.40, 161,860.80 and 41,372.80
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Solution
The fourth proportional to 107,958.40, 161,860.80 and 41,372.80 is: 62,029.77
Step by Step Solution
- Step 1: Write the proportion equation
107,958.40 : 161,860.80 = 41,372.80 : x - Step 2: Convert to fraction form
107,958.40/161,860.80 = 41,372.80/x - Step 3: Cross multiply
107,958.40x = 161,860.80 × 41,372.80 - Step 4: Simplify right side
107,958.40x = 6,696,634,506.24 - Step 5: Solve for x
x = 6,696,634,506.24/107,958.40 - Step 6: Final answer
x = 62,029.77
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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.