Finding the Fourth Proportional to 341,769.18, 512,362.97 and 208,742.76
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Solution
The fourth proportional to 341,769.18, 512,362.97 and 208,742.76 is: 312,936.52
Step by Step Solution
- Step 1: Write the proportion equation
341,769.18 : 512,362.97 = 208,742.76 : x - Step 2: Convert to fraction form
341,769.18/512,362.97 = 208,742.76/x - Step 3: Cross multiply
341,769.18x = 512,362.97 × 208,742.76 - Step 4: Simplify right side
341,769.18x = 106,952,059,435.88 - Step 5: Solve for x
x = 106,952,059,435.88/341,769.18 - Step 6: Final answer
x = 312,936.52
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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.