Finding the Fourth Proportional to 382,532.52, 528,006.05 and 255,207.81
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Solution
The fourth proportional to 382,532.52, 528,006.05 and 255,207.81 is: 352,260.94
Step by Step Solution
- Step 1: Write the proportion equation
382,532.52 : 528,006.05 = 255,207.81 : x - Step 2: Convert to fraction form
382,532.52/528,006.05 = 255,207.81/x - Step 3: Cross multiply
382,532.52x = 528,006.05 × 255,207.81 - Step 4: Simplify right side
382,532.52x = 134,751,266,411.21 - Step 5: Solve for x
x = 134,751,266,411.21/382,532.52 - Step 6: Final answer
x = 352,260.94
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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.