Finding the Fourth Proportional to 667,420.97, 1,001,178.23 and 268,062.08
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Solution
The fourth proportional to 667,420.97, 1,001,178.23 and 268,062.08 is: 402,111.90
Step by Step Solution
- Step 1: Write the proportion equation
667,420.97 : 1,001,178.23 = 268,062.08 : x - Step 2: Convert to fraction form
667,420.97/1,001,178.23 = 268,062.08/x - Step 3: Cross multiply
667,420.97x = 1,001,178.23 × 268,062.08 - Step 4: Simplify right side
667,420.97x = 268,377,912,438.32 - Step 5: Solve for x
x = 268,377,912,438.32/667,420.97 - Step 6: Final answer
x = 402,111.90
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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.