Finding the Fourth Proportional to 144,430.79, 216,650.63 and 39,251.99
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Solution
The fourth proportional to 144,430.79, 216,650.63 and 39,251.99 is: 58,879.19
Step by Step Solution
- Step 1: Write the proportion equation
144,430.79 : 216,650.63 = 39,251.99 : x - Step 2: Convert to fraction form
144,430.79/216,650.63 = 39,251.99/x - Step 3: Cross multiply
144,430.79x = 216,650.63 × 39,251.99 - Step 4: Simplify right side
144,430.79x = 8,503,968,165.99 - Step 5: Solve for x
x = 8,503,968,165.99/144,430.79 - Step 6: Final answer
x = 58,879.19
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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.