Finding the Fourth Proportional to 206,877.81, 310,341.03 and 73,776.99
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Solution
The fourth proportional to 206,877.81, 310,341.03 and 73,776.99 is: 110,674.16
Step by Step Solution
- Step 1: Write the proportion equation
206,877.81 : 310,341.03 = 73,776.99 : x - Step 2: Convert to fraction form
206,877.81/310,341.03 = 73,776.99/x - Step 3: Cross multiply
206,877.81x = 310,341.03 × 73,776.99 - Step 4: Simplify right side
206,877.81x = 22,896,027,066.90 - Step 5: Solve for x
x = 22,896,027,066.90/206,877.81 - Step 6: Final answer
x = 110,674.16
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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.