Finding the Fourth Proportional to 194,027.40, 291,041.10 and 169,921.80
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Solution
The fourth proportional to 194,027.40, 291,041.10 and 169,921.80 is: 254,882.70
Step by Step Solution
- Step 1: Write the proportion equation
194,027.40 : 291,041.10 = 169,921.80 : x - Step 2: Convert to fraction form
194,027.40/291,041.10 = 169,921.80/x - Step 3: Cross multiply
194,027.40x = 291,041.10 × 169,921.80 - Step 4: Simplify right side
194,027.40x = 49,454,227,585.98 - Step 5: Solve for x
x = 49,454,227,585.98/194,027.40 - Step 6: Final answer
x = 254,882.70
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1.5x scale
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.