Finding the Fourth Proportional to 762,095.25, 1,143,143.42 and 193,518.99
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Solution
The fourth proportional to 762,095.25, 1,143,143.42 and 193,518.99 is: 290,278.62
Step by Step Solution
- Step 1: Write the proportion equation
762,095.25 : 1,143,143.42 = 193,518.99 : x - Step 2: Convert to fraction form
762,095.25/1,143,143.42 = 193,518.99/x - Step 3: Cross multiply
762,095.25x = 1,143,143.42 × 193,518.99 - Step 4: Simplify right side
762,095.25x = 221,219,959,095.95 - Step 5: Solve for x
x = 221,219,959,095.95/762,095.25 - Step 6: Final answer
x = 290,278.62
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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.