Finding the Fourth Proportional to 376,905.80, 565,414.73 and 124,139.63
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Solution
The fourth proportional to 376,905.80, 565,414.73 and 124,139.63 is: 186,227.89
Step by Step Solution
- Step 1: Write the proportion equation
376,905.80 : 565,414.73 = 124,139.63 : x - Step 2: Convert to fraction form
376,905.80/565,414.73 = 124,139.63/x - Step 3: Cross multiply
376,905.80x = 565,414.73 × 124,139.63 - Step 4: Simplify right side
376,905.80x = 70,190,371,930.98 - Step 5: Solve for x
x = 70,190,371,930.98/376,905.80 - Step 6: Final answer
x = 186,227.89
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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.