Finding the Fourth Proportional to 178,537.99, 267,808.50 and 45,418.36
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Solution
The fourth proportional to 178,537.99, 267,808.50 and 45,418.36 is: 68,127.92
Step by Step Solution
- Step 1: Write the proportion equation
178,537.99 : 267,808.50 = 45,418.36 : x - Step 2: Convert to fraction form
178,537.99/267,808.50 = 45,418.36/x - Step 3: Cross multiply
178,537.99x = 267,808.50 × 45,418.36 - Step 4: Simplify right side
178,537.99x = 12,163,422,024.22 - Step 5: Solve for x
x = 12,163,422,024.22/178,537.99 - Step 6: Final answer
x = 68,127.92
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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.