Finding the Fourth Proportional to 203,293.06, 280,554.24 and 122,719.12
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Solution
The fourth proportional to 203,293.06, 280,554.24 and 122,719.12 is: 169,358.31
Step by Step Solution
- Step 1: Write the proportion equation
203,293.06 : 280,554.24 = 122,719.12 : x - Step 2: Convert to fraction form
203,293.06/280,554.24 = 122,719.12/x - Step 3: Cross multiply
203,293.06x = 280,554.24 × 122,719.12 - Step 4: Simplify right side
203,293.06x = 34,429,369,445.07 - Step 5: Solve for x
x = 34,429,369,445.07/203,293.06 - Step 6: Final answer
x = 169,358.31
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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.