Finding the Fourth Proportional to 404,838.87, 606,593.64 and 138,454.05
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Solution
The fourth proportional to 404,838.87, 606,593.64 and 138,454.05 is: 207,453.76
Step by Step Solution
- Step 1: Write the proportion equation
404,838.87 : 606,593.64 = 138,454.05 : x - Step 2: Convert to fraction form
404,838.87/606,593.64 = 138,454.05/x - Step 3: Cross multiply
404,838.87x = 606,593.64 × 138,454.05 - Step 4: Simplify right side
404,838.87x = 83,985,346,162.24 - Step 5: Solve for x
x = 83,985,346,162.24/404,838.87 - Step 6: Final answer
x = 207,453.76
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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.