Finding the Fourth Proportional to 149,992.68, 206,989.68 and 82,924.68
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Solution
The fourth proportional to 149,992.68, 206,989.68 and 82,924.68 is: 114,435.94
Step by Step Solution
- Step 1: Write the proportion equation
149,992.68 : 206,989.68 = 82,924.68 : x - Step 2: Convert to fraction form
149,992.68/206,989.68 = 82,924.68/x - Step 3: Cross multiply
149,992.68x = 206,989.68 × 82,924.68 - Step 4: Simplify right side
149,992.68x = 17,164,552,977.30 - Step 5: Solve for x
x = 17,164,552,977.30/149,992.68 - Step 6: Final answer
x = 114,435.94
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1.5x scale
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.