Finding the Fourth Proportional to 202,354.79, 279,242.27 and 111,708.80
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Solution
The fourth proportional to 202,354.79, 279,242.27 and 111,708.80 is: 154,154.09
Step by Step Solution
- Step 1: Write the proportion equation
202,354.79 : 279,242.27 = 111,708.80 : x - Step 2: Convert to fraction form
202,354.79/279,242.27 = 111,708.80/x - Step 3: Cross multiply
202,354.79x = 279,242.27 × 111,708.80 - Step 4: Simplify right side
202,354.79x = 31,193,818,402.29 - Step 5: Solve for x
x = 31,193,818,402.29/202,354.79 - Step 6: Final answer
x = 154,154.09
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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.