Finding the Fourth Proportional to 201,472.19, 278,032.26 and 110,835.05
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Solution
The fourth proportional to 201,472.19, 278,032.26 and 110,835.05 is: 152,952.71
Step by Step Solution
- Step 1: Write the proportion equation
201,472.19 : 278,032.26 = 110,835.05 : x - Step 2: Convert to fraction form
201,472.19/278,032.26 = 110,835.05/x - Step 3: Cross multiply
201,472.19x = 278,032.26 × 110,835.05 - Step 4: Simplify right side
201,472.19x = 30,815,718,048.55 - Step 5: Solve for x
x = 30,815,718,048.55/201,472.19 - Step 6: Final answer
x = 152,952.71
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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.