Finding the Fourth Proportional to 509,515.14, 764,271.63 and 135,538.14
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Solution
The fourth proportional to 509,515.14, 764,271.63 and 135,538.14 is: 203,306.92
Step by Step Solution
- Step 1: Write the proportion equation
509,515.14 : 764,271.63 = 135,538.14 : x - Step 2: Convert to fraction form
509,515.14/764,271.63 = 135,538.14/x - Step 3: Cross multiply
509,515.14x = 764,271.63 × 135,538.14 - Step 4: Simplify right side
509,515.14x = 103,587,955,184.97 - Step 5: Solve for x
x = 103,587,955,184.97/509,515.14 - Step 6: Final answer
x = 203,306.92
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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.