Finding the Fourth Proportional to 642,245.74, 963,503.79 and 242,877.58
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Solution
The fourth proportional to 642,245.74, 963,503.79 and 242,877.58 is: 364,367.49
Step by Step Solution
- Step 1: Write the proportion equation
642,245.74 : 963,503.79 = 242,877.58 : x - Step 2: Convert to fraction form
642,245.74/963,503.79 = 242,877.58/x - Step 3: Cross multiply
642,245.74x = 963,503.79 × 242,877.58 - Step 4: Simplify right side
642,245.74x = 234,013,468,836.03 - Step 5: Solve for x
x = 234,013,468,836.03/642,245.74 - Step 6: Final answer
x = 364,367.49
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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.