Finding the Fourth Proportional to 476,121.99, 657,078.18 and 261,262.62
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Solution
The fourth proportional to 476,121.99, 657,078.18 and 261,262.62 is: 360,558.79
Step by Step Solution
- Step 1: Write the proportion equation
476,121.99 : 657,078.18 = 261,262.62 : x - Step 2: Convert to fraction form
476,121.99/657,078.18 = 261,262.62/x - Step 3: Cross multiply
476,121.99x = 657,078.18 × 261,262.62 - Step 4: Simplify right side
476,121.99x = 171,669,966,851.63 - Step 5: Solve for x
x = 171,669,966,851.63/476,121.99 - Step 6: Final answer
x = 360,558.79
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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.