Finding the Fourth Proportional to 450,342.38, 621,471.76 and 246,394.13
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Solution
The fourth proportional to 450,342.38, 621,471.76 and 246,394.13 is: 340,023.50
Step by Step Solution
- Step 1: Write the proportion equation
450,342.38 : 621,471.76 = 246,394.13 : x - Step 2: Convert to fraction form
450,342.38/621,471.76 = 246,394.13/x - Step 3: Cross multiply
450,342.38x = 621,471.76 × 246,394.13 - Step 4: Simplify right side
450,342.38x = 153,126,991,287.39 - Step 5: Solve for x
x = 153,126,991,287.39/450,342.38 - Step 6: Final answer
x = 340,023.50
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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.