Finding the Fourth Proportional to 403,617.60, 606,738.60 and 286,102.80
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Solution
The fourth proportional to 403,617.60, 606,738.60 and 286,102.80 is: 430,084.35
Step by Step Solution
- Step 1: Write the proportion equation
403,617.60 : 606,738.60 = 286,102.80 : x - Step 2: Convert to fraction form
403,617.60/606,738.60 = 286,102.80/x - Step 3: Cross multiply
403,617.60x = 606,738.60 × 286,102.80 - Step 4: Simplify right side
403,617.60x = 173,589,612,328.08 - Step 5: Solve for x
x = 173,589,612,328.08/403,617.60 - Step 6: Final answer
x = 430,084.35
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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.