Finding the Fourth Proportional to 314,649.41, 434,202.11 and 183,839.14
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Solution
The fourth proportional to 314,649.41, 434,202.11 and 183,839.14 is: 253,689.78
Step by Step Solution
- Step 1: Write the proportion equation
314,649.41 : 434,202.11 = 183,839.14 : x - Step 2: Convert to fraction form
314,649.41/434,202.11 = 183,839.14/x - Step 3: Cross multiply
314,649.41x = 434,202.11 × 183,839.14 - Step 4: Simplify right side
314,649.41x = 79,823,340,317.57 - Step 5: Solve for x
x = 79,823,340,317.57/314,649.41 - Step 6: Final answer
x = 253,689.78
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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.