Finding the Fourth Proportional to 346,502.20, 519,753.30 and 252,023.80
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Solution
The fourth proportional to 346,502.20, 519,753.30 and 252,023.80 is: 378,035.70
Step by Step Solution
- Step 1: Write the proportion equation
346,502.20 : 519,753.30 = 252,023.80 : x - Step 2: Convert to fraction form
346,502.20/519,753.30 = 252,023.80/x - Step 3: Cross multiply
346,502.20x = 519,753.30 × 252,023.80 - Step 4: Simplify right side
346,502.20x = 130,990,201,728.54 - Step 5: Solve for x
x = 130,990,201,728.54/346,502.20 - Step 6: Final answer
x = 378,035.70
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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.