Finding the Fourth Proportional to 296,778.28, 409,574.14 and 167,671.98
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Solution
The fourth proportional to 296,778.28, 409,574.14 and 167,671.98 is: 231,398.70
Step by Step Solution
- Step 1: Write the proportion equation
296,778.28 : 409,574.14 = 167,671.98 : x - Step 2: Convert to fraction form
296,778.28/409,574.14 = 167,671.98/x - Step 3: Cross multiply
296,778.28x = 409,574.14 × 167,671.98 - Step 4: Simplify right side
296,778.28x = 68,674,107,010.60 - Step 5: Solve for x
x = 68,674,107,010.60/296,778.28 - Step 6: Final answer
x = 231,398.70
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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.