Finding the Fourth Proportional to 335,201.74, 462,580.22 and 197,386.65
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Solution
The fourth proportional to 335,201.74, 462,580.22 and 197,386.65 is: 272,394.65
Step by Step Solution
- Step 1: Write the proportion equation
335,201.74 : 462,580.22 = 197,386.65 : x - Step 2: Convert to fraction form
335,201.74/462,580.22 = 197,386.65/x - Step 3: Cross multiply
335,201.74x = 462,580.22 × 197,386.65 - Step 4: Simplify right side
335,201.74x = 91,307,158,995.13 - Step 5: Solve for x
x = 91,307,158,995.13/335,201.74 - Step 6: Final answer
x = 272,394.65
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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.