Finding the Fourth Proportional to 471,593.66, 649,357.98 and 355,475.84
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Solution
The fourth proportional to 471,593.66, 649,357.98 and 355,475.84 is: 489,470.26
Step by Step Solution
- Step 1: Write the proportion equation
471,593.66 : 649,357.98 = 355,475.84 : x - Step 2: Convert to fraction form
471,593.66/649,357.98 = 355,475.84/x - Step 3: Cross multiply
471,593.66x = 649,357.98 × 355,475.84 - Step 4: Simplify right side
471,593.66x = 230,831,073,401.20 - Step 5: Solve for x
x = 230,831,073,401.20/471,593.66 - Step 6: Final answer
x = 489,470.26
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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.