Finding the Fourth Proportional to 354,797.15, 532,911.99 and 212,911.88
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Solution
The fourth proportional to 354,797.15, 532,911.99 and 212,911.88 is: 319,797.64
Step by Step Solution
- Step 1: Write the proportion equation
354,797.15 : 532,911.99 = 212,911.88 : x - Step 2: Convert to fraction form
354,797.15/532,911.99 = 212,911.88/x - Step 3: Cross multiply
354,797.15x = 532,911.99 × 212,911.88 - Step 4: Simplify right side
354,797.15x = 113,463,291,000.88 - Step 5: Solve for x
x = 113,463,291,000.88/354,797.15 - Step 6: Final answer
x = 319,797.64
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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.