Finding the Fourth Proportional to 443,278.12, 664,930.62 and 143,750.44
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Solution
The fourth proportional to 443,278.12, 664,930.62 and 143,750.44 is: 215,630.02
Step by Step Solution
- Step 1: Write the proportion equation
443,278.12 : 664,930.62 = 143,750.44 : x - Step 2: Convert to fraction form
443,278.12/664,930.62 = 143,750.44/x - Step 3: Cross multiply
443,278.12x = 664,930.62 × 143,750.44 - Step 4: Simplify right side
443,278.12x = 95,584,069,194.47 - Step 5: Solve for x
x = 95,584,069,194.47/443,278.12 - Step 6: Final answer
x = 215,630.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.