Finding the Fourth Proportional to 252,688.70, 348,705.27 and 145,257.80
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Solution
The fourth proportional to 252,688.70, 348,705.27 and 145,257.80 is: 200,452.80
Step by Step Solution
- Step 1: Write the proportion equation
252,688.70 : 348,705.27 = 145,257.80 : x - Step 2: Convert to fraction form
252,688.70/348,705.27 = 145,257.80/x - Step 3: Cross multiply
252,688.70x = 348,705.27 × 145,257.80 - Step 4: Simplify right side
252,688.70x = 50,652,158,625.08 - Step 5: Solve for x
x = 50,652,158,625.08/252,688.70 - Step 6: Final answer
x = 200,452.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.