Finding the Fourth Proportional to 126,656.46, 189,932.14 and 46,698.98
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Solution
The fourth proportional to 126,656.46, 189,932.14 and 46,698.98 is: 70,029.09
Step by Step Solution
- Step 1: Write the proportion equation
126,656.46 : 189,932.14 = 46,698.98 : x - Step 2: Convert to fraction form
126,656.46/189,932.14 = 46,698.98/x - Step 3: Cross multiply
126,656.46x = 189,932.14 × 46,698.98 - Step 4: Simplify right side
126,656.46x = 8,869,637,207.22 - Step 5: Solve for x
x = 8,869,637,207.22/126,656.46 - Step 6: Final answer
x = 70,029.09
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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.