Finding the Fourth Proportional to 423,185.04, 634,761.18 and 107,650.17
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Solution
The fourth proportional to 423,185.04, 634,761.18 and 107,650.17 is: 161,471.09
Step by Step Solution
- Step 1: Write the proportion equation
423,185.04 : 634,761.18 = 107,650.17 : x - Step 2: Convert to fraction form
423,185.04/634,761.18 = 107,650.17/x - Step 3: Cross multiply
423,185.04x = 634,761.18 × 107,650.17 - Step 4: Simplify right side
423,185.04x = 68,332,148,936.40 - Step 5: Solve for x
x = 68,332,148,936.40/423,185.04 - Step 6: Final answer
x = 161,471.09
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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.