Finding the Fourth Proportional to 383,220.13, 528,804.14 and 236,021.53
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Solution
The fourth proportional to 383,220.13, 528,804.14 and 236,021.53 is: 325,685.30
Step by Step Solution
- Step 1: Write the proportion equation
383,220.13 : 528,804.14 = 236,021.53 : x - Step 2: Convert to fraction form
383,220.13/528,804.14 = 236,021.53/x - Step 3: Cross multiply
383,220.13x = 528,804.14 × 236,021.53 - Step 4: Simplify right side
383,220.13x = 124,809,162,193.13 - Step 5: Solve for x
x = 124,809,162,193.13/383,220.13 - Step 6: Final answer
x = 325,685.30
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1.5x scale
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.