Finding the Fourth Proportional to 354,878.10, 532,317.15 and 325,847.70
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Solution
The fourth proportional to 354,878.10, 532,317.15 and 325,847.70 is: 488,771.55
Step by Step Solution
- Step 1: Write the proportion equation
354,878.10 : 532,317.15 = 325,847.70 : x - Step 2: Convert to fraction form
354,878.10/532,317.15 = 325,847.70/x - Step 3: Cross multiply
354,878.10x = 532,317.15 × 325,847.70 - Step 4: Simplify right side
354,878.10x = 173,454,318,998.06 - Step 5: Solve for x
x = 173,454,318,998.06/354,878.10 - Step 6: Final answer
x = 488,771.55
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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.