Finding the Fourth Proportional to 180,122.16, 248,578.02 and 103,652.91
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Solution
The fourth proportional to 180,122.16, 248,578.02 and 103,652.91 is: 143,046.45
Step by Step Solution
- Step 1: Write the proportion equation
180,122.16 : 248,578.02 = 103,652.91 : x - Step 2: Convert to fraction form
180,122.16/248,578.02 = 103,652.91/x - Step 3: Cross multiply
180,122.16x = 248,578.02 × 103,652.91 - Step 4: Simplify right side
180,122.16x = 25,765,835,135.04 - Step 5: Solve for x
x = 25,765,835,135.04/180,122.16 - Step 6: Final answer
x = 143,046.45
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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.