Finding the Fourth Proportional to 149,624.64, 206,558.28 and 115,556.58
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Solution
The fourth proportional to 149,624.64, 206,558.28 and 115,556.58 is: 159,526.99
Step by Step Solution
- Step 1: Write the proportion equation
149,624.64 : 206,558.28 = 115,556.58 : x - Step 2: Convert to fraction form
149,624.64/206,558.28 = 115,556.58/x - Step 3: Cross multiply
149,624.64x = 206,558.28 × 115,556.58 - Step 4: Simplify right side
149,624.64x = 23,869,168,407.48 - Step 5: Solve for x
x = 23,869,168,407.48/149,624.64 - Step 6: Final answer
x = 159,526.99
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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.