Finding the Fourth Proportional to 191,995.97, 264,652.74 and 131,461.94
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Solution
The fourth proportional to 191,995.97, 264,652.74 and 131,461.94 is: 181,210.90
Step by Step Solution
- Step 1: Write the proportion equation
191,995.97 : 264,652.74 = 131,461.94 : x - Step 2: Convert to fraction form
191,995.97/264,652.74 = 131,461.94/x - Step 3: Cross multiply
191,995.97x = 264,652.74 × 131,461.94 - Step 4: Simplify right side
191,995.97x = 34,791,762,169.41 - Step 5: Solve for x
x = 34,791,762,169.41/191,995.97 - Step 6: Final answer
x = 181,210.90
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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.