Finding the Fourth Proportional to 115,663.84, 173,495.76 and 36,778.06
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Solution
The fourth proportional to 115,663.84, 173,495.76 and 36,778.06 is: 55,167.09
Step by Step Solution
- Step 1: Write the proportion equation
115,663.84 : 173,495.76 = 36,778.06 : x - Step 2: Convert to fraction form
115,663.84/173,495.76 = 36,778.06/x - Step 3: Cross multiply
115,663.84x = 173,495.76 × 36,778.06 - Step 4: Simplify right side
115,663.84x = 6,380,837,471.03 - Step 5: Solve for x
x = 6,380,837,471.03/115,663.84 - Step 6: Final answer
x = 55,167.09
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1.5x scale
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.