Finding the Fourth Proportional to 254,508.75, 381,594.63 and 121,409.55
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Solution
The fourth proportional to 254,508.75, 381,594.63 and 121,409.55 is: 182,033.95
Step by Step Solution
- Step 1: Write the proportion equation
254,508.75 : 381,594.63 = 121,409.55 : x - Step 2: Convert to fraction form
254,508.75/381,594.63 = 121,409.55/x - Step 3: Cross multiply
254,508.75x = 381,594.63 × 121,409.55 - Step 4: Simplify right side
254,508.75x = 46,329,232,310.72 - Step 5: Solve for x
x = 46,329,232,310.72/254,508.75 - Step 6: Final answer
x = 182,033.95
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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.