Finding the Fourth Proportional to 178,501.99, 267,823.09 and 78,592.09
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Solution
The fourth proportional to 178,501.99, 267,823.09 and 78,592.09 is: 117,919.00
Step by Step Solution
- Step 1: Write the proportion equation
178,501.99 : 267,823.09 = 78,592.09 : x - Step 2: Convert to fraction form
178,501.99/267,823.09 = 78,592.09/x - Step 3: Cross multiply
178,501.99x = 267,823.09 × 78,592.09 - Step 4: Simplify right side
178,501.99x = 21,048,776,393.36 - Step 5: Solve for x
x = 21,048,776,393.36/178,501.99 - Step 6: Final answer
x = 117,919.00
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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.