Finding the Fourth Proportional to 322,678.62, 483,242.76 and 180,173.70
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Solution
The fourth proportional to 322,678.62, 483,242.76 and 180,173.70 is: 269,827.72
Step by Step Solution
- Step 1: Write the proportion equation
322,678.62 : 483,242.76 = 180,173.70 : x - Step 2: Convert to fraction form
322,678.62/483,242.76 = 180,173.70/x - Step 3: Cross multiply
322,678.62x = 483,242.76 × 180,173.70 - Step 4: Simplify right side
322,678.62x = 87,067,636,067.41 - Step 5: Solve for x
x = 87,067,636,067.41/322,678.62 - Step 6: Final answer
x = 269,827.72
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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.