Finding the Fourth Proportional to 354,887.60, 532,331.40 and 235,137.20
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Solution
The fourth proportional to 354,887.60, 532,331.40 and 235,137.20 is: 352,705.80
Step by Step Solution
- Step 1: Write the proportion equation
354,887.60 : 532,331.40 = 235,137.20 : x - Step 2: Convert to fraction form
354,887.60/532,331.40 = 235,137.20/x - Step 3: Cross multiply
354,887.60x = 532,331.40 × 235,137.20 - Step 4: Simplify right side
354,887.60x = 125,170,914,868.08 - Step 5: Solve for x
x = 125,170,914,868.08/354,887.60 - Step 6: Final answer
x = 352,705.80
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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.