Finding the Fourth Proportional to 268,676.95, 403,037.99 and 81,690.07
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Solution
The fourth proportional to 268,676.95, 403,037.99 and 81,690.07 is: 122,541.96
Step by Step Solution
- Step 1: Write the proportion equation
268,676.95 : 403,037.99 = 81,690.07 : x - Step 2: Convert to fraction form
268,676.95/403,037.99 = 81,690.07/x - Step 3: Cross multiply
268,676.95x = 403,037.99 × 81,690.07 - Step 4: Simplify right side
268,676.95x = 32,924,201,207.31 - Step 5: Solve for x
x = 32,924,201,207.31/268,676.95 - Step 6: Final answer
x = 122,541.96
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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.