Finding the Fourth Proportional to 424,979.24, 637,320.26 and 125,380.28
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Solution
The fourth proportional to 424,979.24, 637,320.26 and 125,380.28 is: 188,026.58
Step by Step Solution
- Step 1: Write the proportion equation
424,979.24 : 637,320.26 = 125,380.28 : x - Step 2: Convert to fraction form
424,979.24/637,320.26 = 125,380.28/x - Step 3: Cross multiply
424,979.24x = 637,320.26 × 125,380.28 - Step 4: Simplify right side
424,979.24x = 79,907,392,648.47 - Step 5: Solve for x
x = 79,907,392,648.47/424,979.24 - Step 6: Final answer
x = 188,026.58
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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.