Finding the Fourth Proportional to 192,234.72, 265,281.12 and 107,352.96
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Solution
The fourth proportional to 192,234.72, 265,281.12 and 107,352.96 is: 148,145.52
Step by Step Solution
- Step 1: Write the proportion equation
192,234.72 : 265,281.12 = 107,352.96 : x - Step 2: Convert to fraction form
192,234.72/265,281.12 = 107,352.96/x - Step 3: Cross multiply
192,234.72x = 265,281.12 × 107,352.96 - Step 4: Simplify right side
192,234.72x = 28,478,713,464.12 - Step 5: Solve for x
x = 28,478,713,464.12/192,234.72 - Step 6: Final answer
x = 148,145.52
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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.