Finding the Fourth Proportional to 202,011.14, 278,758.98 and 117,133.67
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Solution
The fourth proportional to 202,011.14, 278,758.98 and 117,133.67 is: 161,634.96
Step by Step Solution
- Step 1: Write the proportion equation
202,011.14 : 278,758.98 = 117,133.67 : x - Step 2: Convert to fraction form
202,011.14/278,758.98 = 117,133.67/x - Step 3: Cross multiply
202,011.14x = 278,758.98 × 117,133.67 - Step 4: Simplify right side
202,011.14x = 32,652,060,979.06 - Step 5: Solve for x
x = 32,652,060,979.06/202,011.14 - Step 6: Final answer
x = 161,634.96
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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.