Finding the Fourth Proportional to 149,144.24, 205,823.88 and 85,494.08
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Solution
The fourth proportional to 149,144.24, 205,823.88 and 85,494.08 is: 117,984.60
Step by Step Solution
- Step 1: Write the proportion equation
149,144.24 : 205,823.88 = 85,494.08 : x - Step 2: Convert to fraction form
149,144.24/205,823.88 = 85,494.08/x - Step 3: Cross multiply
149,144.24x = 205,823.88 × 85,494.08 - Step 4: Simplify right side
149,144.24x = 17,596,723,262.63 - Step 5: Solve for x
x = 17,596,723,262.63/149,144.24 - Step 6: Final answer
x = 117,984.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.