Finding the Fourth Proportional to 475,895.88, 656,737.20 and 261,037.68
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Solution
The fourth proportional to 475,895.88, 656,737.20 and 261,037.68 is: 360,232.48
Step by Step Solution
- Step 1: Write the proportion equation
475,895.88 : 656,737.20 = 261,037.68 : x - Step 2: Convert to fraction form
475,895.88/656,737.20 = 261,037.68/x - Step 3: Cross multiply
475,895.88x = 656,737.20 × 261,037.68 - Step 4: Simplify right side
475,895.88x = 171,433,155,057.70 - Step 5: Solve for x
x = 171,433,155,057.70/475,895.88 - Step 6: Final answer
x = 360,232.48
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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.