Finding the Fourth Proportional to 159,376.37, 219,944.23 and 87,758.96
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Solution
The fourth proportional to 159,376.37, 219,944.23 and 87,758.96 is: 121,110.02
Step by Step Solution
- Step 1: Write the proportion equation
159,376.37 : 219,944.23 = 87,758.96 : x - Step 2: Convert to fraction form
159,376.37/219,944.23 = 87,758.96/x - Step 3: Cross multiply
159,376.37x = 219,944.23 × 87,758.96 - Step 4: Simplify right side
159,376.37x = 19,302,075,728.23 - Step 5: Solve for x
x = 19,302,075,728.23/159,376.37 - Step 6: Final answer
x = 121,110.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.