Finding the Fourth Proportional to 383,084.48, 528,657.36 and 213,324.68
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Solution
The fourth proportional to 383,084.48, 528,657.36 and 213,324.68 is: 294,388.49
Step by Step Solution
- Step 1: Write the proportion equation
383,084.48 : 528,657.36 = 213,324.68 : x - Step 2: Convert to fraction form
383,084.48/528,657.36 = 213,324.68/x - Step 3: Cross multiply
383,084.48x = 528,657.36 × 213,324.68 - Step 4: Simplify right side
383,084.48x = 112,775,662,151.65 - Step 5: Solve for x
x = 112,775,662,151.65/383,084.48 - Step 6: Final answer
x = 294,388.49
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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.