Finding the Fourth Proportional to 509,203.59, 702,723.21 and 282,849.09
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Solution
The fourth proportional to 509,203.59, 702,723.21 and 282,849.09 is: 390,344.11
Step by Step Solution
- Step 1: Write the proportion equation
509,203.59 : 702,723.21 = 282,849.09 : x - Step 2: Convert to fraction form
509,203.59/702,723.21 = 282,849.09/x - Step 3: Cross multiply
509,203.59x = 702,723.21 × 282,849.09 - Step 4: Simplify right side
509,203.59x = 198,764,620,470.38 - Step 5: Solve for x
x = 198,764,620,470.38/509,203.59 - Step 6: Final answer
x = 390,344.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.