Finding the Fourth Proportional to 426,626.05, 639,822.43 and 160,366.09
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Solution
The fourth proportional to 426,626.05, 639,822.43 and 160,366.09 is: 240,505.29
Step by Step Solution
- Step 1: Write the proportion equation
426,626.05 : 639,822.43 = 160,366.09 : x - Step 2: Convert to fraction form
426,626.05/639,822.43 = 160,366.09/x - Step 3: Cross multiply
426,626.05x = 639,822.43 × 160,366.09 - Step 4: Simplify right side
426,626.05x = 102,605,821,393.40 - Step 5: Solve for x
x = 102,605,821,393.40/426,626.05 - Step 6: Final answer
x = 240,505.29
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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.