Finding the Fourth Proportional to 436,842.09, 654,995.54 and 170,291.21
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Solution
The fourth proportional to 436,842.09, 654,995.54 and 170,291.21 is: 255,332.49
Step by Step Solution
- Step 1: Write the proportion equation
436,842.09 : 654,995.54 = 170,291.21 : x - Step 2: Convert to fraction form
436,842.09/654,995.54 = 170,291.21/x - Step 3: Cross multiply
436,842.09x = 654,995.54 × 170,291.21 - Step 4: Simplify right side
436,842.09x = 111,539,978,924.77 - Step 5: Solve for x
x = 111,539,978,924.77/436,842.09 - Step 6: Final answer
x = 255,332.49
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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.