Finding the Fourth Proportional to 322,958.99, 484,487.70 and 165,134.15
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Solution
The fourth proportional to 322,958.99, 484,487.70 and 165,134.15 is: 247,726.39
Step by Step Solution
- Step 1: Write the proportion equation
322,958.99 : 484,487.70 = 165,134.15 : x - Step 2: Convert to fraction form
322,958.99/484,487.70 = 165,134.15/x - Step 3: Cross multiply
322,958.99x = 484,487.70 × 165,134.15 - Step 4: Simplify right side
322,958.99x = 80,005,464,524.96 - Step 5: Solve for x
x = 80,005,464,524.96/322,958.99 - Step 6: Final answer
x = 247,726.39
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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.