Finding the Fourth Proportional to 246,145.55, 339,744.05 and 160,318.40
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Solution
The fourth proportional to 246,145.55, 339,744.05 and 160,318.40 is: 221,280.54
Step by Step Solution
- Step 1: Write the proportion equation
246,145.55 : 339,744.05 = 160,318.40 : x - Step 2: Convert to fraction form
246,145.55/339,744.05 = 160,318.40/x - Step 3: Cross multiply
246,145.55x = 339,744.05 × 160,318.40 - Step 4: Simplify right side
246,145.55x = 54,467,220,005.21 - Step 5: Solve for x
x = 54,467,220,005.21/246,145.55 - Step 6: Final answer
x = 221,280.54
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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.