Finding the Fourth Proportional to 283,391.40, 425,432.70 and 281,317.80
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Solution
The fourth proportional to 283,391.40, 425,432.70 and 281,317.80 is: 422,319.77
Step by Step Solution
- Step 1: Write the proportion equation
283,391.40 : 425,432.70 = 281,317.80 : x - Step 2: Convert to fraction form
283,391.40/425,432.70 = 281,317.80/x - Step 3: Cross multiply
283,391.40x = 425,432.70 × 281,317.80 - Step 4: Simplify right side
283,391.40x = 119,681,791,212.06 - Step 5: Solve for x
x = 119,681,791,212.06/283,391.40 - Step 6: Final answer
x = 422,319.77
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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.