Finding the Fourth Proportional to 206,869.10, 310,303.65 and 184,561.70
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Solution
The fourth proportional to 206,869.10, 310,303.65 and 184,561.70 is: 276,842.55
Step by Step Solution
- Step 1: Write the proportion equation
206,869.10 : 310,303.65 = 184,561.70 : x - Step 2: Convert to fraction form
206,869.10/310,303.65 = 184,561.70/x - Step 3: Cross multiply
206,869.10x = 310,303.65 × 184,561.70 - Step 4: Simplify right side
206,869.10x = 57,270,169,160.21 - Step 5: Solve for x
x = 57,270,169,160.21/206,869.10 - Step 6: Final answer
x = 276,842.55
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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.