Finding the Fourth Proportional to 156,905.05, 235,355.49 and 38,577.41
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Solution
The fourth proportional to 156,905.05, 235,355.49 and 38,577.41 is: 57,865.60
Step by Step Solution
- Step 1: Write the proportion equation
156,905.05 : 235,355.49 = 38,577.41 : x - Step 2: Convert to fraction form
156,905.05/235,355.49 = 38,577.41/x - Step 3: Cross multiply
156,905.05x = 235,355.49 × 38,577.41 - Step 4: Simplify right side
156,905.05x = 9,079,405,233.48 - Step 5: Solve for x
x = 9,079,405,233.48/156,905.05 - Step 6: Final answer
x = 57,865.60
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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.