Finding the Fourth Proportional to 131,809.77, 197,673.75 and 47,558.99
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Solution
The fourth proportional to 131,809.77, 197,673.75 and 47,558.99 is: 71,323.73
Step by Step Solution
- Step 1: Write the proportion equation
131,809.77 : 197,673.75 = 47,558.99 : x - Step 2: Convert to fraction form
131,809.77/197,673.75 = 47,558.99/x - Step 3: Cross multiply
131,809.77x = 197,673.75 × 47,558.99 - Step 4: Simplify right side
131,809.77x = 9,401,164,393.70 - Step 5: Solve for x
x = 9,401,164,393.70/131,809.77 - Step 6: Final answer
x = 71,323.73
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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.