Finding the Fourth Proportional to 273,091.40, 409,637.10 and 115,497.80
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Solution
The fourth proportional to 273,091.40, 409,637.10 and 115,497.80 is: 173,246.70
Step by Step Solution
- Step 1: Write the proportion equation
273,091.40 : 409,637.10 = 115,497.80 : x - Step 2: Convert to fraction form
273,091.40/409,637.10 = 115,497.80/x - Step 3: Cross multiply
273,091.40x = 409,637.10 × 115,497.80 - Step 4: Simplify right side
273,091.40x = 47,312,183,848.38 - Step 5: Solve for x
x = 47,312,183,848.38/273,091.40 - Step 6: Final answer
x = 173,246.70
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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.