Finding the Fourth Proportional to 646,376.40, 970,007.46 and 225,652.26
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Solution
The fourth proportional to 646,376.40, 970,007.46 and 225,652.26 is: 338,632.99
Step by Step Solution
- Step 1: Write the proportion equation
646,376.40 : 970,007.46 = 225,652.26 : x - Step 2: Convert to fraction form
646,376.40/970,007.46 = 225,652.26/x - Step 3: Cross multiply
646,376.40x = 970,007.46 × 225,652.26 - Step 4: Simplify right side
646,376.40x = 218,884,375,565.86 - Step 5: Solve for x
x = 218,884,375,565.86/646,376.40 - Step 6: Final answer
x = 338,632.99
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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.