Finding the Fourth Proportional to 376,930.26, 520,141.76 and 207,164.52
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Solution
The fourth proportional to 376,930.26, 520,141.76 and 207,164.52 is: 285,874.95
Step by Step Solution
- Step 1: Write the proportion equation
376,930.26 : 520,141.76 = 207,164.52 : x - Step 2: Convert to fraction form
376,930.26/520,141.76 = 207,164.52/x - Step 3: Cross multiply
376,930.26x = 520,141.76 × 207,164.52 - Step 4: Simplify right side
376,930.26x = 107,754,918,042.36 - Step 5: Solve for x
x = 107,754,918,042.36/376,930.26 - Step 6: Final answer
x = 285,874.95
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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.