Finding the Fourth Proportional to 301,911.58, 416,574.39 and 167,772.70
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Solution
The fourth proportional to 301,911.58, 416,574.39 and 167,772.70 is: 231,490.99
Step by Step Solution
- Step 1: Write the proportion equation
301,911.58 : 416,574.39 = 167,772.70 : x - Step 2: Convert to fraction form
301,911.58/416,574.39 = 167,772.70/x - Step 3: Cross multiply
301,911.58x = 416,574.39 × 167,772.70 - Step 4: Simplify right side
301,911.58x = 69,889,810,161.15 - Step 5: Solve for x
x = 69,889,810,161.15/301,911.58 - Step 6: Final answer
x = 231,490.99
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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.