Finding the Fourth Proportional to 253,767.33, 380,552.58 and 135,374.09
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Solution
The fourth proportional to 253,767.33, 380,552.58 and 135,374.09 is: 203,008.63
Step by Step Solution
- Step 1: Write the proportion equation
253,767.33 : 380,552.58 = 135,374.09 : x - Step 2: Convert to fraction form
253,767.33/380,552.58 = 135,374.09/x - Step 3: Cross multiply
253,767.33x = 380,552.58 × 135,374.09 - Step 4: Simplify right side
253,767.33x = 51,516,957,311.89 - Step 5: Solve for x
x = 51,516,957,311.89/253,767.33 - Step 6: Final answer
x = 203,008.63
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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.