Finding the Fourth Proportional to 476,505.99, 657,599.72 and 285,515.28
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Solution
The fourth proportional to 476,505.99, 657,599.72 and 285,515.28 is: 394,023.94
Step by Step Solution
- Step 1: Write the proportion equation
476,505.99 : 657,599.72 = 285,515.28 : x - Step 2: Convert to fraction form
476,505.99/657,599.72 = 285,515.28/x - Step 3: Cross multiply
476,505.99x = 657,599.72 × 285,515.28 - Step 4: Simplify right side
476,505.99x = 187,754,766,756.15 - Step 5: Solve for x
x = 187,754,766,756.15/476,505.99 - Step 6: Final answer
x = 394,023.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.