Finding the Fourth Proportional to 519,192.40, 778,812.90 and 164,234.20
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Solution
The fourth proportional to 519,192.40, 778,812.90 and 164,234.20 is: 246,358.99
Step by Step Solution
- Step 1: Write the proportion equation
519,192.40 : 778,812.90 = 164,234.20 : x - Step 2: Convert to fraction form
519,192.40/778,812.90 = 164,234.20/x - Step 3: Cross multiply
519,192.40x = 778,812.90 × 164,234.20 - Step 4: Simplify right side
519,192.40x = 127,907,713,581.18 - Step 5: Solve for x
x = 127,907,713,581.18/519,192.40 - Step 6: Final answer
x = 246,358.99
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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.