Finding the Fourth Proportional to 382,908.29, 528,404.68 and 239,747.27
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Solution
The fourth proportional to 382,908.29, 528,404.68 and 239,747.27 is: 330,845.75
Step by Step Solution
- Step 1: Write the proportion equation
382,908.29 : 528,404.68 = 239,747.27 : x - Step 2: Convert to fraction form
382,908.29/528,404.68 = 239,747.27/x - Step 3: Cross multiply
382,908.29x = 528,404.68 × 239,747.27 - Step 4: Simplify right side
382,908.29x = 126,683,579,485.22 - Step 5: Solve for x
x = 126,683,579,485.22/382,908.29 - Step 6: Final answer
x = 330,845.75
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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.