Finding the Fourth Proportional to 363,817.70, 545,726.55 and 311,329.70
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Solution
The fourth proportional to 363,817.70, 545,726.55 and 311,329.70 is: 466,994.55
Step by Step Solution
- Step 1: Write the proportion equation
363,817.70 : 545,726.55 = 311,329.70 : x - Step 2: Convert to fraction form
363,817.70/545,726.55 = 311,329.70/x - Step 3: Cross multiply
363,817.70x = 545,726.55 × 311,329.70 - Step 4: Simplify right side
363,817.70x = 169,900,883,093.54 - Step 5: Solve for x
x = 169,900,883,093.54/363,817.70 - Step 6: Final answer
x = 466,994.55
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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.