Finding the Fourth Proportional to 302,415.10, 453,622.65 and 207,936.70
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Solution
The fourth proportional to 302,415.10, 453,622.65 and 207,936.70 is: 311,905.05
Step by Step Solution
- Step 1: Write the proportion equation
302,415.10 : 453,622.65 = 207,936.70 : x - Step 2: Convert to fraction form
302,415.10/453,622.65 = 207,936.70/x - Step 3: Cross multiply
302,415.10x = 453,622.65 × 207,936.70 - Step 4: Simplify right side
302,415.10x = 94,324,796,886.26 - Step 5: Solve for x
x = 94,324,796,886.26/302,415.10 - Step 6: Final answer
x = 311,905.05
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1.5x scale
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.