Finding the Fourth Proportional to 509,672.26, 764,503.53 and 135,695.26
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Solution
The fourth proportional to 509,672.26, 764,503.53 and 135,695.26 is: 203,541.60
Step by Step Solution
- Step 1: Write the proportion equation
509,672.26 : 764,503.53 = 135,695.26 : x - Step 2: Convert to fraction form
509,672.26/764,503.53 = 135,695.26/x - Step 3: Cross multiply
509,672.26x = 764,503.53 × 135,695.26 - Step 4: Simplify right side
509,672.26x = 103,739,505,274.27 - Step 5: Solve for x
x = 103,739,505,274.27/509,672.26 - Step 6: Final answer
x = 203,541.60
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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.