Finding the Fourth Proportional to 475,197.84, 712,799.19 and 120,212.17
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Solution
The fourth proportional to 475,197.84, 712,799.19 and 120,212.17 is: 180,318.87
Step by Step Solution
- Step 1: Write the proportion equation
475,197.84 : 712,799.19 = 120,212.17 : x - Step 2: Convert to fraction form
475,197.84/712,799.19 = 120,212.17/x - Step 3: Cross multiply
475,197.84x = 712,799.19 × 120,212.17 - Step 4: Simplify right side
475,197.84x = 85,687,135,622.14 - Step 5: Solve for x
x = 85,687,135,622.14/475,197.84 - Step 6: Final answer
x = 180,318.87
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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.