Finding the Fourth Proportional to 149,125.24, 205,797.68 and 85,475.04
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Solution
The fourth proportional to 149,125.24, 205,797.68 and 85,475.04 is: 117,958.33
Step by Step Solution
- Step 1: Write the proportion equation
149,125.24 : 205,797.68 = 85,475.04 : x - Step 2: Convert to fraction form
149,125.24/205,797.68 = 85,475.04/x - Step 3: Cross multiply
149,125.24x = 205,797.68 × 85,475.04 - Step 4: Simplify right side
149,125.24x = 17,590,564,929.91 - Step 5: Solve for x
x = 17,590,564,929.91/149,125.24 - Step 6: Final answer
x = 117,958.33
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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.