Finding the Fourth Proportional to 355,251.40, 532,877.10 and 353,177.80
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Solution
The fourth proportional to 355,251.40, 532,877.10 and 353,177.80 is: 529,766.70
Step by Step Solution
- Step 1: Write the proportion equation
355,251.40 : 532,877.10 = 353,177.80 : x - Step 2: Convert to fraction form
355,251.40/532,877.10 = 353,177.80/x - Step 3: Cross multiply
355,251.40x = 532,877.10 × 353,177.80 - Step 4: Simplify right side
355,251.40x = 188,200,361,848.38 - Step 5: Solve for x
x = 188,200,361,848.38/355,251.40 - Step 6: Final answer
x = 529,766.70
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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.