Finding the Fourth Proportional to 156,996.99, 235,462.50 and 51,791.31
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Solution
The fourth proportional to 156,996.99, 235,462.50 and 51,791.31 is: 77,676.08
Step by Step Solution
- Step 1: Write the proportion equation
156,996.99 : 235,462.50 = 51,791.31 : x - Step 2: Convert to fraction form
156,996.99/235,462.50 = 51,791.31/x - Step 3: Cross multiply
156,996.99x = 235,462.50 × 51,791.31 - Step 4: Simplify right side
156,996.99x = 12,194,911,330.88 - Step 5: Solve for x
x = 12,194,911,330.88/156,996.99 - Step 6: Final answer
x = 77,676.08
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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.