Finding the Fourth Proportional to 396,663.16, 547,340.09 and 233,327.08
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Solution
The fourth proportional to 396,663.16, 547,340.09 and 233,327.08 is: 321,958.98
Step by Step Solution
- Step 1: Write the proportion equation
396,663.16 : 547,340.09 = 233,327.08 : x - Step 2: Convert to fraction form
396,663.16/547,340.09 = 233,327.08/x - Step 3: Cross multiply
396,663.16x = 547,340.09 × 233,327.08 - Step 4: Simplify right side
396,663.16x = 127,709,264,966.64 - Step 5: Solve for x
x = 127,709,264,966.64/396,663.16 - Step 6: Final answer
x = 321,958.98
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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.