Finding the Fourth Proportional to 152,912.96, 211,293.68 and 119,631.68
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Solution
The fourth proportional to 152,912.96, 211,293.68 and 119,631.68 is: 165,305.92
Step by Step Solution
- Step 1: Write the proportion equation
152,912.96 : 211,293.68 = 119,631.68 : x - Step 2: Convert to fraction form
152,912.96/211,293.68 = 119,631.68/x - Step 3: Cross multiply
152,912.96x = 211,293.68 × 119,631.68 - Step 4: Simplify right side
152,912.96x = 25,277,417,911.78 - Step 5: Solve for x
x = 25,277,417,911.78/152,912.96 - Step 6: Final answer
x = 165,305.92
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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.