Finding the Fourth Proportional to 549,387.57, 824,362.69 and 261,524.99
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Solution
The fourth proportional to 549,387.57, 824,362.69 and 261,524.99 is: 392,421.40
Step by Step Solution
- Step 1: Write the proportion equation
549,387.57 : 824,362.69 = 261,524.99 : x - Step 2: Convert to fraction form
549,387.57/824,362.69 = 261,524.99/x - Step 3: Cross multiply
549,387.57x = 824,362.69 × 261,524.99 - Step 4: Simplify right side
549,387.57x = 215,591,442,254.58 - Step 5: Solve for x
x = 215,591,442,254.58/549,387.57 - Step 6: Final answer
x = 392,421.40
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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.