Finding the Fourth Proportional to 119,052.21, 178,595.75 and 55,878.75
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Solution
The fourth proportional to 119,052.21, 178,595.75 and 55,878.75 is: 83,826.31
Step by Step Solution
- Step 1: Write the proportion equation
119,052.21 : 178,595.75 = 55,878.75 : x - Step 2: Convert to fraction form
119,052.21/178,595.75 = 55,878.75/x - Step 3: Cross multiply
119,052.21x = 178,595.75 × 55,878.75 - Step 4: Simplify right side
119,052.21x = 9,979,707,572.10 - Step 5: Solve for x
x = 9,979,707,572.10/119,052.21 - Step 6: Final answer
x = 83,826.31
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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.