Finding the Fourth Proportional to 159,645.73, 239,487.12 and 53,039.20
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Solution
The fourth proportional to 159,645.73, 239,487.12 and 53,039.20 is: 79,564.95
Step by Step Solution
- Step 1: Write the proportion equation
159,645.73 : 239,487.12 = 53,039.20 : x - Step 2: Convert to fraction form
159,645.73/239,487.12 = 53,039.20/x - Step 3: Cross multiply
159,645.73x = 239,487.12 × 53,039.20 - Step 4: Simplify right side
159,645.73x = 12,702,205,255.10 - Step 5: Solve for x
x = 12,702,205,255.10/159,645.73 - Step 6: Final answer
x = 79,564.95
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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.