Finding the Fourth Proportional to 313,452.45, 470,251.71 and 249,651.99
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Solution
The fourth proportional to 313,452.45, 470,251.71 and 249,651.99 is: 374,536.15
Step by Step Solution
- Step 1: Write the proportion equation
313,452.45 : 470,251.71 = 249,651.99 : x - Step 2: Convert to fraction form
313,452.45/470,251.71 = 249,651.99/x - Step 3: Cross multiply
313,452.45x = 470,251.71 × 249,651.99 - Step 4: Simplify right side
313,452.45x = 117,399,275,202.40 - Step 5: Solve for x
x = 117,399,275,202.40/313,452.45 - Step 6: Final answer
x = 374,536.15
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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.