Finding the Fourth Proportional to 527,756.75, 791,335.21 and 207,735.17
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Solution
The fourth proportional to 527,756.75, 791,335.21 and 207,735.17 is: 311,484.70
Step by Step Solution
- Step 1: Write the proportion equation
527,756.75 : 791,335.21 = 207,735.17 : x - Step 2: Convert to fraction form
527,756.75/791,335.21 = 207,735.17/x - Step 3: Cross multiply
527,756.75x = 791,335.21 × 207,735.17 - Step 4: Simplify right side
527,756.75x = 164,388,149,380.98 - Step 5: Solve for x
x = 164,388,149,380.98/527,756.75 - Step 6: Final answer
x = 311,484.70
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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.