Finding the Fourth Proportional to 351,544.73, 527,481.09 and 209,386.08
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Solution
The fourth proportional to 351,544.73, 527,481.09 and 209,386.08 is: 314,176.80
Step by Step Solution
- Step 1: Write the proportion equation
351,544.73 : 527,481.09 = 209,386.08 : x - Step 2: Convert to fraction form
351,544.73/527,481.09 = 209,386.08/x - Step 3: Cross multiply
351,544.73x = 527,481.09 × 209,386.08 - Step 4: Simplify right side
351,544.73x = 110,447,197,709.23 - Step 5: Solve for x
x = 110,447,197,709.23/351,544.73 - Step 6: Final answer
x = 314,176.80
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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.