Finding the Fourth Proportional to 424,858.08, 637,138.62 and 125,259.12
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Solution
The fourth proportional to 424,858.08, 637,138.62 and 125,259.12 is: 187,844.90
Step by Step Solution
- Step 1: Write the proportion equation
424,858.08 : 637,138.62 = 125,259.12 : x - Step 2: Convert to fraction form
424,858.08/637,138.62 = 125,259.12/x - Step 3: Cross multiply
424,858.08x = 637,138.62 × 125,259.12 - Step 4: Simplify right side
424,858.08x = 79,807,422,859.21 - Step 5: Solve for x
x = 79,807,422,859.21/424,858.08 - Step 6: Final answer
x = 187,844.90
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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.