Finding the Fourth Proportional to 423,169.20, 634,750.92 and 107,622
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Solution
The fourth proportional to 423,169.20, 634,750.92 and 107,622 is: 161,432.27
Step by Step Solution
- Step 1: Write the proportion equation
423,169.20 : 634,750.92 = 107,622 : x - Step 2: Convert to fraction form
423,169.20/634,750.92 = 107,622/x - Step 3: Cross multiply
423,169.20x = 634,750.92 × 107,622 - Step 4: Simplify right side
423,169.20x = 68,313,163,512.24 - Step 5: Solve for x
x = 68,313,163,512.24/423,169.20 - Step 6: Final answer
x = 161,432.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.