Finding the Fourth Proportional to 549,531.20, 823,903.20 and 212,283.20
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Solution
The fourth proportional to 549,531.20, 823,903.20 and 212,283.20 is: 318,272.75
Step by Step Solution
- Step 1: Write the proportion equation
549,531.20 : 823,903.20 = 212,283.20 : x - Step 2: Convert to fraction form
549,531.20/823,903.20 = 212,283.20/x - Step 3: Cross multiply
549,531.20x = 823,903.20 × 212,283.20 - Step 4: Simplify right side
549,531.20x = 174,900,807,786.24 - Step 5: Solve for x
x = 174,900,807,786.24/549,531.20 - Step 6: Final answer
x = 318,272.75
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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.