Finding the Fourth Proportional to 225,819.19, 311,541.58 and 130,307.43
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Solution
The fourth proportional to 225,819.19, 311,541.58 and 130,307.43 is: 179,772.95
Step by Step Solution
- Step 1: Write the proportion equation
225,819.19 : 311,541.58 = 130,307.43 : x - Step 2: Convert to fraction form
225,819.19/311,541.58 = 130,307.43/x - Step 3: Cross multiply
225,819.19x = 311,541.58 × 130,307.43 - Step 4: Simplify right side
225,819.19x = 40,596,181,976.40 - Step 5: Solve for x
x = 40,596,181,976.40/225,819.19 - Step 6: Final answer
x = 179,772.95
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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.