Finding the Fourth Proportional to 355,313.40, 532,970.10 and 236,599.80
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Solution
The fourth proportional to 355,313.40, 532,970.10 and 236,599.80 is: 354,899.70
Step by Step Solution
- Step 1: Write the proportion equation
355,313.40 : 532,970.10 = 236,599.80 : x - Step 2: Convert to fraction form
355,313.40/532,970.10 = 236,599.80/x - Step 3: Cross multiply
355,313.40x = 532,970.10 × 236,599.80 - Step 4: Simplify right side
355,313.40x = 126,100,619,065.98 - Step 5: Solve for x
x = 126,100,619,065.98/355,313.40 - Step 6: Final answer
x = 354,899.70
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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.