Finding the Fourth Proportional to 346,076.10, 519,114.15 and 212,523.30
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Solution
The fourth proportional to 346,076.10, 519,114.15 and 212,523.30 is: 318,784.95
Step by Step Solution
- Step 1: Write the proportion equation
346,076.10 : 519,114.15 = 212,523.30 : x - Step 2: Convert to fraction form
346,076.10/519,114.15 = 212,523.30/x - Step 3: Cross multiply
346,076.10x = 519,114.15 × 212,523.30 - Step 4: Simplify right side
346,076.10x = 110,323,852,234.70 - Step 5: Solve for x
x = 110,323,852,234.70/346,076.10 - Step 6: Final answer
x = 318,784.95
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1.5x scale
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.