Finding the Fourth Proportional to 144,358.21, 216,537.43 and 39,177.18
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Solution
The fourth proportional to 144,358.21, 216,537.43 and 39,177.18 is: 58,765.80
Step by Step Solution
- Step 1: Write the proportion equation
144,358.21 : 216,537.43 = 39,177.18 : x - Step 2: Convert to fraction form
144,358.21/216,537.43 = 39,177.18/x - Step 3: Cross multiply
144,358.21x = 216,537.43 × 39,177.18 - Step 4: Simplify right side
144,358.21x = 8,483,325,675.96 - Step 5: Solve for x
x = 8,483,325,675.96/144,358.21 - Step 6: Final answer
x = 58,765.80
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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.