Finding the Fourth Proportional to 646,582.41, 969,873.69 and 197,305.64
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Solution
The fourth proportional to 646,582.41, 969,873.69 and 197,305.64 is: 295,958.48
Step by Step Solution
- Step 1: Write the proportion equation
646,582.41 : 969,873.69 = 197,305.64 : x - Step 2: Convert to fraction form
646,582.41/969,873.69 = 197,305.64/x - Step 3: Cross multiply
646,582.41x = 969,873.69 × 197,305.64 - Step 4: Simplify right side
646,582.41x = 191,361,544,275.24 - Step 5: Solve for x
x = 191,361,544,275.24/646,582.41 - Step 6: Final answer
x = 295,958.48
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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.