Finding the Fourth Proportional to 501,138.99, 751,669.25 and 141,295.31
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Solution
The fourth proportional to 501,138.99, 751,669.25 and 141,295.31 is: 211,931.90
Step by Step Solution
- Step 1: Write the proportion equation
501,138.99 : 751,669.25 = 141,295.31 : x - Step 2: Convert to fraction form
501,138.99/751,669.25 = 141,295.31/x - Step 3: Cross multiply
501,138.99x = 751,669.25 × 141,295.31 - Step 4: Simplify right side
501,138.99x = 106,207,339,696.22 - Step 5: Solve for x
x = 106,207,339,696.22/501,138.99 - Step 6: Final answer
x = 211,931.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.