Finding the Fourth Proportional to 531,266.23, 733,125.90 and 289,543.60
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Solution
The fourth proportional to 531,266.23, 733,125.90 and 289,543.60 is: 399,558.45
Step by Step Solution
- Step 1: Write the proportion equation
531,266.23 : 733,125.90 = 289,543.60 : x - Step 2: Convert to fraction form
531,266.23/733,125.90 = 289,543.60/x - Step 3: Cross multiply
531,266.23x = 733,125.90 × 289,543.60 - Step 4: Simplify right side
531,266.23x = 212,271,912,339.24 - Step 5: Solve for x
x = 212,271,912,339.24/531,266.23 - Step 6: Final answer
x = 399,558.45
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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.