Finding the Fourth Proportional to 451,121.98, 676,681.74 and 201,629.02
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Solution
The fourth proportional to 451,121.98, 676,681.74 and 201,629.02 is: 302,442.98
Step by Step Solution
- Step 1: Write the proportion equation
451,121.98 : 676,681.74 = 201,629.02 : x - Step 2: Convert to fraction form
451,121.98/676,681.74 = 201,629.02/x - Step 3: Cross multiply
451,121.98x = 676,681.74 × 201,629.02 - Step 4: Simplify right side
451,121.98x = 136,438,676,088.10 - Step 5: Solve for x
x = 136,438,676,088.10/451,121.98 - Step 6: Final answer
x = 302,442.98
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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.