Finding the Fourth Proportional to 476,450.76, 657,503.36 and 261,604.74
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Solution
The fourth proportional to 476,450.76, 657,503.36 and 261,604.74 is: 361,015.26
Step by Step Solution
- Step 1: Write the proportion equation
476,450.76 : 657,503.36 = 261,604.74 : x - Step 2: Convert to fraction form
476,450.76/657,503.36 = 261,604.74/x - Step 3: Cross multiply
476,450.76x = 657,503.36 × 261,604.74 - Step 4: Simplify right side
476,450.76x = 172,005,995,541.93 - Step 5: Solve for x
x = 172,005,995,541.93/476,450.76 - Step 6: Final answer
x = 361,015.26
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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.