Finding the Fourth Proportional to 235,425.60, 353,138.40 and 205,901.10
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Solution
The fourth proportional to 235,425.60, 353,138.40 and 205,901.10 is: 308,851.65
Step by Step Solution
- Step 1: Write the proportion equation
235,425.60 : 353,138.40 = 205,901.10 : x - Step 2: Convert to fraction form
235,425.60/353,138.40 = 205,901.10/x - Step 3: Cross multiply
235,425.60x = 353,138.40 × 205,901.10 - Step 4: Simplify right side
235,425.60x = 72,711,585,012.24 - Step 5: Solve for x
x = 72,711,585,012.24/235,425.60 - Step 6: Final answer
x = 308,851.65
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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.