Finding the Fourth Proportional to 134,471.40, 201,707.10 and 119,437.80
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Solution
The fourth proportional to 134,471.40, 201,707.10 and 119,437.80 is: 179,156.70
Step by Step Solution
- Step 1: Write the proportion equation
134,471.40 : 201,707.10 = 119,437.80 : x - Step 2: Convert to fraction form
134,471.40/201,707.10 = 119,437.80/x - Step 3: Cross multiply
134,471.40x = 201,707.10 × 119,437.80 - Step 4: Simplify right side
134,471.40x = 24,091,452,268.38 - Step 5: Solve for x
x = 24,091,452,268.38/134,471.40 - Step 6: Final answer
x = 179,156.70
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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.