Finding the Fourth Proportional to 156,778.68, 235,099.97 and 56,905.68
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Solution
The fourth proportional to 156,778.68, 235,099.97 and 56,905.68 is: 85,333.82
Step by Step Solution
- Step 1: Write the proportion equation
156,778.68 : 235,099.97 = 56,905.68 : x - Step 2: Convert to fraction form
156,778.68/235,099.97 = 56,905.68/x - Step 3: Cross multiply
156,778.68x = 235,099.97 × 56,905.68 - Step 4: Simplify right side
156,778.68x = 13,378,522,485.33 - Step 5: Solve for x
x = 13,378,522,485.33/156,778.68 - Step 6: Final answer
x = 85,333.82
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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.