Finding the Fourth Proportional to 531,201.14, 733,031.46 and 289,482.98
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Solution
The fourth proportional to 531,201.14, 733,031.46 and 289,482.98 is: 399,472.28
Step by Step Solution
- Step 1: Write the proportion equation
531,201.14 : 733,031.46 = 289,482.98 : x - Step 2: Convert to fraction form
531,201.14/733,031.46 = 289,482.98/x - Step 3: Cross multiply
531,201.14x = 733,031.46 × 289,482.98 - Step 4: Simplify right side
531,201.14x = 212,200,131,474.55 - Step 5: Solve for x
x = 212,200,131,474.55/531,201.14 - Step 6: Final answer
x = 399,472.28
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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.