Finding the Fourth Proportional to 327,165.12, 490,746.96 and 102,542.70
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Solution
The fourth proportional to 327,165.12, 490,746.96 and 102,542.70 is: 153,813.82
Step by Step Solution
- Step 1: Write the proportion equation
327,165.12 : 490,746.96 = 102,542.70 : x - Step 2: Convert to fraction form
327,165.12/490,746.96 = 102,542.70/x - Step 3: Cross multiply
327,165.12x = 490,746.96 × 102,542.70 - Step 4: Simplify right side
327,165.12x = 50,322,518,295.19 - Step 5: Solve for x
x = 50,322,518,295.19/327,165.12 - Step 6: Final answer
x = 153,813.82
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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.