Finding the Fourth Proportional to 509,536.16, 764,303.20 and 135,559.20
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Solution
The fourth proportional to 509,536.16, 764,303.20 and 135,559.20 is: 203,338.52
Step by Step Solution
- Step 1: Write the proportion equation
509,536.16 : 764,303.20 = 135,559.20 : x - Step 2: Convert to fraction form
509,536.16/764,303.20 = 135,559.20/x - Step 3: Cross multiply
509,536.16x = 764,303.20 × 135,559.20 - Step 4: Simplify right side
509,536.16x = 103,608,330,349.44 - Step 5: Solve for x
x = 103,608,330,349.44/509,536.16 - Step 6: Final answer
x = 203,338.52
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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.