Finding the Fourth Proportional to 295,299.70, 442,949.55 and 242,811.70
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Solution
The fourth proportional to 295,299.70, 442,949.55 and 242,811.70 is: 364,217.55
Step by Step Solution
- Step 1: Write the proportion equation
295,299.70 : 442,949.55 = 242,811.70 : x - Step 2: Convert to fraction form
295,299.70/442,949.55 = 242,811.70/x - Step 3: Cross multiply
295,299.70x = 442,949.55 × 242,811.70 - Step 4: Simplify right side
295,299.70x = 107,553,333,249.74 - Step 5: Solve for x
x = 107,553,333,249.74/295,299.70 - Step 6: Final answer
x = 364,217.55
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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.