Finding the Fourth Proportional to 280,814.70, 387,593.93 and 160,027.65
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Solution
The fourth proportional to 280,814.70, 387,593.93 and 160,027.65 is: 220,877.84
Step by Step Solution
- Step 1: Write the proportion equation
280,814.70 : 387,593.93 = 160,027.65 : x - Step 2: Convert to fraction form
280,814.70/387,593.93 = 160,027.65/x - Step 3: Cross multiply
280,814.70x = 387,593.93 × 160,027.65 - Step 4: Simplify right side
280,814.70x = 62,025,744,972.03 - Step 5: Solve for x
x = 62,025,744,972.03/280,814.70 - Step 6: Final answer
x = 220,877.84
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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.