Finding the Fourth Proportional to 258,823.92, 357,163.38 and 145,653.96
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Solution
The fourth proportional to 258,823.92, 357,163.38 and 145,653.96 is: 200,994.79
Step by Step Solution
- Step 1: Write the proportion equation
258,823.92 : 357,163.38 = 145,653.96 : x - Step 2: Convert to fraction form
258,823.92/357,163.38 = 145,653.96/x - Step 3: Cross multiply
258,823.92x = 357,163.38 × 145,653.96 - Step 4: Simplify right side
258,823.92x = 52,022,260,663.98 - Step 5: Solve for x
x = 52,022,260,663.98/258,823.92 - Step 6: Final answer
x = 200,994.79
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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.