Finding the Fourth Proportional to 149,479.64, 206,291.09 and 85,827.00
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Solution
The fourth proportional to 149,479.64, 206,291.09 and 85,827.00 is: 118,446.54
Step by Step Solution
- Step 1: Write the proportion equation
149,479.64 : 206,291.09 = 85,827.00 : x - Step 2: Convert to fraction form
149,479.64/206,291.09 = 85,827.00/x - Step 3: Cross multiply
149,479.64x = 206,291.09 × 85,827.00 - Step 4: Simplify right side
149,479.64x = 17,705,346,369.59 - Step 5: Solve for x
x = 17,705,346,369.59/149,479.64 - Step 6: Final answer
x = 118,446.54
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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.