Finding the Fourth Proportional to 372,803.20, 514,474.28 and 203,037.19
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Solution
The fourth proportional to 372,803.20, 514,474.28 and 203,037.19 is: 280,194.52
Step by Step Solution
- Step 1: Write the proportion equation
372,803.20 : 514,474.28 = 203,037.19 : x - Step 2: Convert to fraction form
372,803.20/514,474.28 = 203,037.19/x - Step 3: Cross multiply
372,803.20x = 514,474.28 × 203,037.19 - Step 4: Simplify right side
372,803.20x = 104,457,412,138.47 - Step 5: Solve for x
x = 104,457,412,138.47/372,803.20 - Step 6: Final answer
x = 280,194.52
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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.