Finding the Fourth Proportional to 242,564.70, 363,847.05 and 207,135.30
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Solution
The fourth proportional to 242,564.70, 363,847.05 and 207,135.30 is: 310,702.95
Step by Step Solution
- Step 1: Write the proportion equation
242,564.70 : 363,847.05 = 207,135.30 : x - Step 2: Convert to fraction form
242,564.70/363,847.05 = 207,135.30/x - Step 3: Cross multiply
242,564.70x = 363,847.05 × 207,135.30 - Step 4: Simplify right side
242,564.70x = 75,365,567,855.87 - Step 5: Solve for x
x = 75,365,567,855.87/242,564.70 - Step 6: Final answer
x = 310,702.95
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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.