Finding the Fourth Proportional to 354,801.21, 532,436.86 and 194,988.75
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Solution
The fourth proportional to 354,801.21, 532,436.86 and 194,988.75 is: 292,612.30
Step by Step Solution
- Step 1: Write the proportion equation
354,801.21 : 532,436.86 = 194,988.75 : x - Step 2: Convert to fraction form
354,801.21/532,436.86 = 194,988.75/x - Step 3: Cross multiply
354,801.21x = 532,436.86 × 194,988.75 - Step 4: Simplify right side
354,801.21x = 103,819,195,610.61 - Step 5: Solve for x
x = 103,819,195,610.61/354,801.21 - Step 6: Final answer
x = 292,612.30
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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.