Finding the Fourth Proportional to 471,175.99, 707,119.19 and 345,139.18
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Solution
The fourth proportional to 471,175.99, 707,119.19 and 345,139.18 is: 517,968.96
Step by Step Solution
- Step 1: Write the proportion equation
471,175.99 : 707,119.19 = 345,139.18 : x - Step 2: Convert to fraction form
471,175.99/707,119.19 = 345,139.18/x - Step 3: Cross multiply
471,175.99x = 707,119.19 × 345,139.18 - Step 4: Simplify right side
471,175.99x = 244,054,536,170.35 - Step 5: Solve for x
x = 244,054,536,170.35/471,175.99 - Step 6: Final answer
x = 517,968.96
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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.