Finding the Fourth Proportional to 156,798.24, 235,232.64 and 51,613.44
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Solution
The fourth proportional to 156,798.24, 235,232.64 and 51,613.44 is: 77,431.77
Step by Step Solution
- Step 1: Write the proportion equation
156,798.24 : 235,232.64 = 51,613.44 : x - Step 2: Convert to fraction form
156,798.24/235,232.64 = 51,613.44/x - Step 3: Cross multiply
156,798.24x = 235,232.64 × 51,613.44 - Step 4: Simplify right side
156,798.24x = 12,141,165,750.68 - Step 5: Solve for x
x = 12,141,165,750.68/156,798.24 - Step 6: Final answer
x = 77,431.77
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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.