Finding the Fourth Proportional to 438,078.52, 657,018.68 and 201,193.48
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Solution
The fourth proportional to 438,078.52, 657,018.68 and 201,193.48 is: 301,744.71
Step by Step Solution
- Step 1: Write the proportion equation
438,078.52 : 657,018.68 = 201,193.48 : x - Step 2: Convert to fraction form
438,078.52/657,018.68 = 201,193.48/x - Step 3: Cross multiply
438,078.52x = 657,018.68 × 201,193.48 - Step 4: Simplify right side
438,078.52x = 132,187,874,654.21 - Step 5: Solve for x
x = 132,187,874,654.21/438,078.52 - Step 6: Final answer
x = 301,744.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.