Finding the Fourth Proportional to 314,163.81, 433,541.28 and 170,920.57
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Solution
The fourth proportional to 314,163.81, 433,541.28 and 170,920.57 is: 235,867.79
Step by Step Solution
- Step 1: Write the proportion equation
314,163.81 : 433,541.28 = 170,920.57 : x - Step 2: Convert to fraction form
314,163.81/433,541.28 = 170,920.57/x - Step 3: Cross multiply
314,163.81x = 433,541.28 × 170,920.57 - Step 4: Simplify right side
314,163.81x = 74,101,122,696.13 - Step 5: Solve for x
x = 74,101,122,696.13/314,163.81 - Step 6: Final answer
x = 235,867.79
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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.