Finding the Fourth Proportional to 156,743.24, 235,120.80 and 51,570.68
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Solution
The fourth proportional to 156,743.24, 235,120.80 and 51,570.68 is: 77,357.97
Step by Step Solution
- Step 1: Write the proportion equation
156,743.24 : 235,120.80 = 51,570.68 : x - Step 2: Convert to fraction form
156,743.24/235,120.80 = 51,570.68/x - Step 3: Cross multiply
156,743.24x = 235,120.80 × 51,570.68 - Step 4: Simplify right side
156,743.24x = 12,125,339,538.14 - Step 5: Solve for x
x = 12,125,339,538.14/156,743.24 - Step 6: Final answer
x = 77,357.97
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.