Finding the Fourth Proportional to 290,122.02, 400,258.26 and 213,823.26
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Solution
The fourth proportional to 290,122.02, 400,258.26 and 213,823.26 is: 294,994.93
Step by Step Solution
- Step 1: Write the proportion equation
290,122.02 : 400,258.26 = 213,823.26 : x - Step 2: Convert to fraction form
290,122.02/400,258.26 = 213,823.26/x - Step 3: Cross multiply
290,122.02x = 400,258.26 × 213,823.26 - Step 4: Simplify right side
290,122.02x = 85,584,525,995.13 - Step 5: Solve for x
x = 85,584,525,995.13/290,122.02 - Step 6: Final answer
x = 294,994.93
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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.