Finding the Fourth Proportional to 325,126.47, 448,644.10 and 202,607.49
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Solution
The fourth proportional to 325,126.47, 448,644.10 and 202,607.49 is: 279,579.37
Step by Step Solution
- Step 1: Write the proportion equation
325,126.47 : 448,644.10 = 202,607.49 : x - Step 2: Convert to fraction form
325,126.47/448,644.10 = 202,607.49/x - Step 3: Cross multiply
325,126.47x = 448,644.10 × 202,607.49 - Step 4: Simplify right side
325,126.47x = 90,898,655,004.31 - Step 5: Solve for x
x = 90,898,655,004.31/325,126.47 - Step 6: Final answer
x = 279,579.37
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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.