Finding the Fourth Proportional to 202,683.24, 279,634.68 and 131,153.76
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Solution
The fourth proportional to 202,683.24, 279,634.68 and 131,153.76 is: 180,948.06
Step by Step Solution
- Step 1: Write the proportion equation
202,683.24 : 279,634.68 = 131,153.76 : x - Step 2: Convert to fraction form
202,683.24/279,634.68 = 131,153.76/x - Step 3: Cross multiply
202,683.24x = 279,634.68 × 131,153.76 - Step 4: Simplify right side
202,683.24x = 36,675,139,708.40 - Step 5: Solve for x
x = 36,675,139,708.40/202,683.24 - Step 6: Final answer
x = 180,948.06
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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.