Finding the Fourth Proportional to 509,634.59, 764,544.15 and 209,948.63
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Solution
The fourth proportional to 509,634.59, 764,544.15 and 209,948.63 is: 314,960.95
Step by Step Solution
- Step 1: Write the proportion equation
509,634.59 : 764,544.15 = 209,948.63 : x - Step 2: Convert to fraction form
509,634.59/764,544.15 = 209,948.63/x - Step 3: Cross multiply
509,634.59x = 764,544.15 × 209,948.63 - Step 4: Simplify right side
509,634.59x = 160,514,993,044.29 - Step 5: Solve for x
x = 160,514,993,044.29/509,634.59 - Step 6: Final answer
x = 314,960.95
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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.