Finding the Fourth Proportional to 450,427.44, 621,589.84 and 246,478.38
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Solution
The fourth proportional to 450,427.44, 621,589.84 and 246,478.38 is: 340,140.15
Step by Step Solution
- Step 1: Write the proportion equation
450,427.44 : 621,589.84 = 246,478.38 : x - Step 2: Convert to fraction form
450,427.44/621,589.84 = 246,478.38/x - Step 3: Cross multiply
450,427.44x = 621,589.84 × 246,478.38 - Step 4: Simplify right side
450,427.44x = 153,208,457,031.77 - Step 5: Solve for x
x = 153,208,457,031.77/450,427.44 - Step 6: Final answer
x = 340,140.15
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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.