Finding the Fourth Proportional to 126,248.24, 189,358.37 and 45,192.05
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Solution
The fourth proportional to 126,248.24, 189,358.37 and 45,192.05 is: 67,783.07
Step by Step Solution
- Step 1: Write the proportion equation
126,248.24 : 189,358.37 = 45,192.05 : x - Step 2: Convert to fraction form
126,248.24/189,358.37 = 45,192.05/x - Step 3: Cross multiply
126,248.24x = 189,358.37 × 45,192.05 - Step 4: Simplify right side
126,248.24x = 8,557,492,924.96 - Step 5: Solve for x
x = 8,557,492,924.96/126,248.24 - Step 6: Final answer
x = 67,783.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.