Finding the Fourth Proportional to 342,194.63, 513,291.94 and 92,876.63
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Solution
The fourth proportional to 342,194.63, 513,291.94 and 92,876.63 is: 139,314.94
Step by Step Solution
- Step 1: Write the proportion equation
342,194.63 : 513,291.94 = 92,876.63 : x - Step 2: Convert to fraction form
342,194.63/513,291.94 = 92,876.63/x - Step 3: Cross multiply
342,194.63x = 513,291.94 × 92,876.63 - Step 4: Simplify right side
342,194.63x = 47,672,822,794.71 - Step 5: Solve for x
x = 47,672,822,794.71/342,194.63 - Step 6: Final answer
x = 139,314.94
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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.