Finding the Fourth Proportional to 292,394.42, 438,453.36 and 134,576.18
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Solution
The fourth proportional to 292,394.42, 438,453.36 and 134,576.18 is: 201,800.63
Step by Step Solution
- Step 1: Write the proportion equation
292,394.42 : 438,453.36 = 134,576.18 : x - Step 2: Convert to fraction form
292,394.42/438,453.36 = 134,576.18/x - Step 3: Cross multiply
292,394.42x = 438,453.36 × 134,576.18 - Step 4: Simplify right side
292,394.42x = 59,005,378,296.96 - Step 5: Solve for x
x = 59,005,378,296.96/292,394.42 - Step 6: Final answer
x = 201,800.63
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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.