Finding the Fourth Proportional to 438,072.52, 657,009.68 and 201,187.48
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Solution
The fourth proportional to 438,072.52, 657,009.68 and 201,187.48 is: 301,735.71
Step by Step Solution
- Step 1: Write the proportion equation
438,072.52 : 657,009.68 = 201,187.48 : x - Step 2: Convert to fraction form
438,072.52/657,009.68 = 201,187.48/x - Step 3: Cross multiply
438,072.52x = 657,009.68 × 201,187.48 - Step 4: Simplify right side
438,072.52x = 132,182,121,854.81 - Step 5: Solve for x
x = 132,182,121,854.81/438,072.52 - Step 6: Final answer
x = 301,735.71
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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.