Finding the Fourth Proportional to 296,717.64, 409,486.74 and 169,434.12
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Solution
The fourth proportional to 296,717.64, 409,486.74 and 169,434.12 is: 233,828.45
Step by Step Solution
- Step 1: Write the proportion equation
296,717.64 : 409,486.74 = 169,434.12 : x - Step 2: Convert to fraction form
296,717.64/409,486.74 = 169,434.12/x - Step 3: Cross multiply
296,717.64x = 409,486.74 × 169,434.12 - Step 4: Simplify right side
296,717.64x = 69,381,025,443.57 - Step 5: Solve for x
x = 69,381,025,443.57/296,717.64 - Step 6: Final answer
x = 233,828.45
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1.5x scale
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.