Finding the Fourth Proportional to 355,173.12, 532,969.86 and 130,691.19
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Solution
The fourth proportional to 355,173.12, 532,969.86 and 130,691.19 is: 196,114.12
Step by Step Solution
- Step 1: Write the proportion equation
355,173.12 : 532,969.86 = 130,691.19 : x - Step 2: Convert to fraction form
355,173.12/532,969.86 = 130,691.19/x - Step 3: Cross multiply
355,173.12x = 532,969.86 × 130,691.19 - Step 4: Simplify right side
355,173.12x = 69,654,465,237.53 - Step 5: Solve for x
x = 69,654,465,237.53/355,173.12 - Step 6: Final answer
x = 196,114.12
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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.