Finding the Fourth Proportional to 368,350.21, 508,318.14 and 207,205.30
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Solution
The fourth proportional to 368,350.21, 508,318.14 and 207,205.30 is: 285,940.42
Step by Step Solution
- Step 1: Write the proportion equation
368,350.21 : 508,318.14 = 207,205.30 : x - Step 2: Convert to fraction form
368,350.21/508,318.14 = 207,205.30/x - Step 3: Cross multiply
368,350.21x = 508,318.14 × 207,205.30 - Step 4: Simplify right side
368,350.21x = 105,326,212,694.14 - Step 5: Solve for x
x = 105,326,212,694.14/368,350.21 - Step 6: Final answer
x = 285,940.42
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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.