Finding the Fourth Proportional to 135,214.70, 202,822.05 and 56,302.70
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Solution
The fourth proportional to 135,214.70, 202,822.05 and 56,302.70 is: 84,454.05
Step by Step Solution
- Step 1: Write the proportion equation
135,214.70 : 202,822.05 = 56,302.70 : x - Step 2: Convert to fraction form
135,214.70/202,822.05 = 56,302.70/x - Step 3: Cross multiply
135,214.70x = 202,822.05 × 56,302.70 - Step 4: Simplify right side
135,214.70x = 11,419,429,034.54 - Step 5: Solve for x
x = 11,419,429,034.54/135,214.70 - Step 6: Final answer
x = 84,454.05
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1.5x scale
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.