Finding the Fourth Proportional to 774,812.51, 1,162,244.99 and 206,194.17
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Solution
The fourth proportional to 774,812.51, 1,162,244.99 and 206,194.17 is: 309,298.23
Step by Step Solution
- Step 1: Write the proportion equation
774,812.51 : 1,162,244.99 = 206,194.17 : x - Step 2: Convert to fraction form
774,812.51/1,162,244.99 = 206,194.17/x - Step 3: Cross multiply
774,812.51x = 1,162,244.99 × 206,194.17 - Step 4: Simplify right side
774,812.51x = 239,648,140,018.74 - Step 5: Solve for x
x = 239,648,140,018.74/774,812.51 - Step 6: Final answer
x = 309,298.23
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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.