Finding the Fourth Proportional to 450,808.79, 622,116.12 and 246,872.18
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Solution
The fourth proportional to 450,808.79, 622,116.12 and 246,872.18 is: 340,683.60
Step by Step Solution
- Step 1: Write the proportion equation
450,808.79 : 622,116.12 = 246,872.18 : x - Step 2: Convert to fraction form
450,808.79/622,116.12 = 246,872.18/x - Step 3: Cross multiply
450,808.79x = 622,116.12 × 246,872.18 - Step 4: Simplify right side
450,808.79x = 153,583,161,054.13 - Step 5: Solve for x
x = 153,583,161,054.13/450,808.79 - Step 6: Final answer
x = 340,683.60
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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.