Finding the Fourth Proportional to 312,480.14, 468,720.84 and 112,941.44
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Solution
The fourth proportional to 312,480.14, 468,720.84 and 112,941.44 is: 169,412.39
Step by Step Solution
- Step 1: Write the proportion equation
312,480.14 : 468,720.84 = 112,941.44 : x - Step 2: Convert to fraction form
312,480.14/468,720.84 = 112,941.44/x - Step 3: Cross multiply
312,480.14x = 468,720.84 × 112,941.44 - Step 4: Simplify right side
312,480.14x = 52,938,006,627.61 - Step 5: Solve for x
x = 52,938,006,627.61/312,480.14 - Step 6: Final answer
x = 169,412.39
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1.5x scale
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.