Finding the Fourth Proportional to 517,610.25, 714,317.91 and 281,879.63
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Solution
The fourth proportional to 517,610.25, 714,317.91 and 281,879.63 is: 389,002.47
Step by Step Solution
- Step 1: Write the proportion equation
517,610.25 : 714,317.91 = 281,879.63 : x - Step 2: Convert to fraction form
517,610.25/714,317.91 = 281,879.63/x - Step 3: Cross multiply
517,610.25x = 714,317.91 × 281,879.63 - Step 4: Simplify right side
517,610.25x = 201,351,666,223.23 - Step 5: Solve for x
x = 201,351,666,223.23/517,610.25 - Step 6: Final answer
x = 389,002.47
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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.