Finding the Fourth Proportional to 450,958.06, 622,314.66 and 247,007.08
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Solution
The fourth proportional to 450,958.06, 622,314.66 and 247,007.08 is: 340,865.68
Step by Step Solution
- Step 1: Write the proportion equation
450,958.06 : 622,314.66 = 247,007.08 : x - Step 2: Convert to fraction form
450,958.06/622,314.66 = 247,007.08/x - Step 3: Cross multiply
450,958.06x = 622,314.66 × 247,007.08 - Step 4: Simplify right side
450,958.06x = 153,716,127,007.79 - Step 5: Solve for x
x = 153,716,127,007.79/450,958.06 - Step 6: Final answer
x = 340,865.68
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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.