Finding the Fourth Proportional to 377,203.97, 520,531.10 and 207,438.10
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Solution
The fourth proportional to 377,203.97, 520,531.10 and 207,438.10 is: 286,258.86
Step by Step Solution
- Step 1: Write the proportion equation
377,203.97 : 520,531.10 = 207,438.10 : x - Step 2: Convert to fraction form
377,203.97/520,531.10 = 207,438.10/x - Step 3: Cross multiply
377,203.97x = 520,531.10 × 207,438.10 - Step 4: Simplify right side
377,203.97x = 107,977,978,735.06 - Step 5: Solve for x
x = 107,977,978,735.06/377,203.97 - Step 6: Final answer
x = 286,258.86
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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.