Finding the Fourth Proportional to 528,034.08, 791,986.80 and 154,057.44
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Solution
The fourth proportional to 528,034.08, 791,986.80 and 154,057.44 is: 231,067.39
Step by Step Solution
- Step 1: Write the proportion equation
528,034.08 : 791,986.80 = 154,057.44 : x - Step 2: Convert to fraction form
528,034.08/791,986.80 = 154,057.44/x - Step 3: Cross multiply
528,034.08x = 791,986.80 × 154,057.44 - Step 4: Simplify right side
528,034.08x = 122,011,458,921.79 - Step 5: Solve for x
x = 122,011,458,921.79/528,034.08 - Step 6: Final answer
x = 231,067.39
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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.