Finding the Fourth Proportional to 315,497.48, 435,396.14 and 179,550.98
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Solution
The fourth proportional to 315,497.48, 435,396.14 and 179,550.98 is: 247,785.83
Step by Step Solution
- Step 1: Write the proportion equation
315,497.48 : 435,396.14 = 179,550.98 : x - Step 2: Convert to fraction form
315,497.48/435,396.14 = 179,550.98/x - Step 3: Cross multiply
315,497.48x = 435,396.14 × 179,550.98 - Step 4: Simplify right side
315,497.48x = 78,175,803,625.22 - Step 5: Solve for x
x = 78,175,803,625.22/315,497.48 - Step 6: Final answer
x = 247,785.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.