Finding the Fourth Proportional to 515,642.74, 773,485.07 and 245,632.07
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Solution
The fourth proportional to 515,642.74, 773,485.07 and 245,632.07 is: 368,458.09
Step by Step Solution
- Step 1: Write the proportion equation
515,642.74 : 773,485.07 = 245,632.07 : x - Step 2: Convert to fraction form
515,642.74/773,485.07 = 245,632.07/x - Step 3: Cross multiply
515,642.74x = 773,485.07 × 245,632.07 - Step 4: Simplify right side
515,642.74x = 189,992,739,563.75 - Step 5: Solve for x
x = 189,992,739,563.75/515,642.74 - Step 6: Final answer
x = 368,458.09
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1.5x scale
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.