Finding the Fourth Proportional to 156,729.20, 235,129.26 and 51,549.08
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Solution
The fourth proportional to 156,729.20, 235,129.26 and 51,549.08 is: 77,335.28
Step by Step Solution
- Step 1: Write the proportion equation
156,729.20 : 235,129.26 = 51,549.08 : x - Step 2: Convert to fraction form
156,729.20/235,129.26 = 51,549.08/x - Step 3: Cross multiply
156,729.20x = 235,129.26 × 51,549.08 - Step 4: Simplify right side
156,729.20x = 12,120,697,034.08 - Step 5: Solve for x
x = 12,120,697,034.08/156,729.20 - Step 6: Final answer
x = 77,335.28
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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.