Finding the Fourth Proportional to 489,649.49, 734,507.97 and 205,053.48
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Solution
The fourth proportional to 489,649.49, 734,507.97 and 205,053.48 is: 307,594.35
Step by Step Solution
- Step 1: Write the proportion equation
489,649.49 : 734,507.97 = 205,053.48 : x - Step 2: Convert to fraction form
489,649.49/734,507.97 = 205,053.48/x - Step 3: Cross multiply
489,649.49x = 734,507.97 × 205,053.48 - Step 4: Simplify right side
489,649.49x = 150,613,415,336.24 - Step 5: Solve for x
x = 150,613,415,336.24/489,649.49 - Step 6: Final answer
x = 307,594.35
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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.