Finding the Fourth Proportional to 549,110.40, 823,276.80 and 212,020.80
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Solution
The fourth proportional to 549,110.40, 823,276.80 and 212,020.80 is: 317,881.08
Step by Step Solution
- Step 1: Write the proportion equation
549,110.40 : 823,276.80 = 212,020.80 : x - Step 2: Convert to fraction form
549,110.40/823,276.80 = 212,020.80/x - Step 3: Cross multiply
549,110.40x = 823,276.80 × 212,020.80 - Step 4: Simplify right side
549,110.40x = 174,551,805,757.44 - Step 5: Solve for x
x = 174,551,805,757.44/549,110.40 - Step 6: Final answer
x = 317,881.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.