Finding the Fourth Proportional to 283,876.42, 425,741.98 and 84,150.12
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Solution
The fourth proportional to 283,876.42, 425,741.98 and 84,150.12 is: 126,203.64
Step by Step Solution
- Step 1: Write the proportion equation
283,876.42 : 425,741.98 = 84,150.12 : x - Step 2: Convert to fraction form
283,876.42/425,741.98 = 84,150.12/x - Step 3: Cross multiply
283,876.42x = 425,741.98 × 84,150.12 - Step 4: Simplify right side
283,876.42x = 35,826,238,706.04 - Step 5: Solve for x
x = 35,826,238,706.04/283,876.42 - Step 6: Final answer
x = 126,203.64
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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.