Finding the Fourth Proportional to 242,964.84, 364,450.50 and 85,197.90
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Solution
The fourth proportional to 242,964.84, 364,450.50 and 85,197.90 is: 127,797.99
Step by Step Solution
- Step 1: Write the proportion equation
242,964.84 : 364,450.50 = 85,197.90 : x - Step 2: Convert to fraction form
242,964.84/364,450.50 = 85,197.90/x - Step 3: Cross multiply
242,964.84x = 364,450.50 × 85,197.90 - Step 4: Simplify right side
242,964.84x = 31,050,417,253.95 - Step 5: Solve for x
x = 31,050,417,253.95/242,964.84 - Step 6: Final answer
x = 127,797.99
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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.