Finding the Fourth Proportional to 438,816.48, 657,726.96 and 201,669
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Solution
The fourth proportional to 438,816.48, 657,726.96 and 201,669 is: 302,274.74
Step by Step Solution
- Step 1: Write the proportion equation
438,816.48 : 657,726.96 = 201,669 : x - Step 2: Convert to fraction form
438,816.48/657,726.96 = 201,669/x - Step 3: Cross multiply
438,816.48x = 657,726.96 × 201,669 - Step 4: Simplify right side
438,816.48x = 132,643,138,296.24 - Step 5: Solve for x
x = 132,643,138,296.24/438,816.48 - Step 6: Final answer
x = 302,274.74
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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.