Finding the Fourth Proportional to 334,121.05, 499,984.35 and 289,297.04
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Solution
The fourth proportional to 334,121.05, 499,984.35 and 289,297.04 is: 432,908.95
Step by Step Solution
- Step 1: Write the proportion equation
334,121.05 : 499,984.35 = 289,297.04 : x - Step 2: Convert to fraction form
334,121.05/499,984.35 = 289,297.04/x - Step 3: Cross multiply
334,121.05x = 499,984.35 × 289,297.04 - Step 4: Simplify right side
334,121.05x = 144,643,992,666.42 - Step 5: Solve for x
x = 144,643,992,666.42/334,121.05 - Step 6: Final answer
x = 432,908.95
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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.