Finding the Fourth Proportional to 252,339.08, 378,510.04 and 74,847.42
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Solution
The fourth proportional to 252,339.08, 378,510.04 and 74,847.42 is: 112,271.55
Step by Step Solution
- Step 1: Write the proportion equation
252,339.08 : 378,510.04 = 74,847.42 : x - Step 2: Convert to fraction form
252,339.08/378,510.04 = 74,847.42/x - Step 3: Cross multiply
252,339.08x = 378,510.04 × 74,847.42 - Step 4: Simplify right side
252,339.08x = 28,330,499,938.10 - Step 5: Solve for x
x = 28,330,499,938.10/252,339.08 - Step 6: Final answer
x = 112,271.55
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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.