Finding the Fourth Proportional to 334,430.13, 461,483.07 and 198,440.65
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Solution
The fourth proportional to 334,430.13, 461,483.07 and 198,440.65 is: 273,829.99
Step by Step Solution
- Step 1: Write the proportion equation
334,430.13 : 461,483.07 = 198,440.65 : x - Step 2: Convert to fraction form
334,430.13/461,483.07 = 198,440.65/x - Step 3: Cross multiply
334,430.13x = 461,483.07 × 198,440.65 - Step 4: Simplify right side
334,430.13x = 91,576,998,067.38 - Step 5: Solve for x
x = 91,576,998,067.38/334,430.13 - Step 6: Final answer
x = 273,829.99
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1.5x scale
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.