Finding the Fourth Proportional to 156,749.24, 235,129.80 and 51,576.68
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Solution
The fourth proportional to 156,749.24, 235,129.80 and 51,576.68 is: 77,366.97
Step by Step Solution
- Step 1: Write the proportion equation
156,749.24 : 235,129.80 = 51,576.68 : x - Step 2: Convert to fraction form
156,749.24/235,129.80 = 51,576.68/x - Step 3: Cross multiply
156,749.24x = 235,129.80 × 51,576.68 - Step 4: Simplify right side
156,749.24x = 12,127,214,453.06 - Step 5: Solve for x
x = 12,127,214,453.06/156,749.24 - Step 6: Final answer
x = 77,366.97
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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.