Finding the Fourth Proportional to 400,612.22, 552,844.99 and 219,335.66
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Solution
The fourth proportional to 400,612.22, 552,844.99 and 219,335.66 is: 302,683.28
Step by Step Solution
- Step 1: Write the proportion equation
400,612.22 : 552,844.99 = 219,335.66 : x - Step 2: Convert to fraction form
400,612.22/552,844.99 = 219,335.66/x - Step 3: Cross multiply
400,612.22x = 552,844.99 × 219,335.66 - Step 4: Simplify right side
400,612.22x = 121,258,620,759.34 - Step 5: Solve for x
x = 121,258,620,759.34/400,612.22 - Step 6: Final answer
x = 302,683.28
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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.