Finding the Fourth Proportional to 260,822.21, 393,244.71 and 259,202.97
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Solution
The fourth proportional to 260,822.21, 393,244.71 and 259,202.97 is: 390,803.37
Step by Step Solution
- Step 1: Write the proportion equation
260,822.21 : 393,244.71 = 259,202.97 : x - Step 2: Convert to fraction form
260,822.21/393,244.71 = 259,202.97/x - Step 3: Cross multiply
260,822.21x = 393,244.71 × 259,202.97 - Step 4: Simplify right side
260,822.21x = 101,930,196,768.79 - Step 5: Solve for x
x = 101,930,196,768.79/260,822.21 - Step 6: Final answer
x = 390,803.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.