Finding the Fourth Proportional to 156,994.73, 235,459.12 and 51,789.05
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Solution
The fourth proportional to 156,994.73, 235,459.12 and 51,789.05 is: 77,672.70
Step by Step Solution
- Step 1: Write the proportion equation
156,994.73 : 235,459.12 = 51,789.05 : x - Step 2: Convert to fraction form
156,994.73/235,459.12 = 51,789.05/x - Step 3: Cross multiply
156,994.73x = 235,459.12 × 51,789.05 - Step 4: Simplify right side
156,994.73x = 12,194,204,138.64 - Step 5: Solve for x
x = 12,194,204,138.64/156,994.73 - Step 6: Final answer
x = 77,672.70
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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.