Finding the Fourth Proportional to 354,915.40, 532,373.10 and 236,201.80
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Solution
The fourth proportional to 354,915.40, 532,373.10 and 236,201.80 is: 354,302.70
Step by Step Solution
- Step 1: Write the proportion equation
354,915.40 : 532,373.10 = 236,201.80 : x - Step 2: Convert to fraction form
354,915.40/532,373.10 = 236,201.80/x - Step 3: Cross multiply
354,915.40x = 532,373.10 × 236,201.80 - Step 4: Simplify right side
354,915.40x = 125,747,484,491.58 - Step 5: Solve for x
x = 125,747,484,491.58/354,915.40 - Step 6: Final answer
x = 354,302.70
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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.