Finding the Fourth Proportional to 331,155.68, 456,982.14 and 187,907.18
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Solution
The fourth proportional to 331,155.68, 456,982.14 and 187,907.18 is: 259,304.70
Step by Step Solution
- Step 1: Write the proportion equation
331,155.68 : 456,982.14 = 187,907.18 : x - Step 2: Convert to fraction form
331,155.68/456,982.14 = 187,907.18/x - Step 3: Cross multiply
331,155.68x = 456,982.14 × 187,907.18 - Step 4: Simplify right side
331,155.68x = 85,870,225,237.77 - Step 5: Solve for x
x = 85,870,225,237.77/331,155.68 - Step 6: Final answer
x = 259,304.70
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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.