Finding the Fourth Proportional to 309,140.41, 463,106.92 and 213,060.44
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Solution
The fourth proportional to 309,140.41, 463,106.92 and 213,060.44 is: 319,174.59
Step by Step Solution
- Step 1: Write the proportion equation
309,140.41 : 463,106.92 = 213,060.44 : x - Step 2: Convert to fraction form
309,140.41/463,106.92 = 213,060.44/x - Step 3: Cross multiply
309,140.41x = 463,106.92 × 213,060.44 - Step 4: Simplify right side
309,140.41x = 98,669,764,142.24 - Step 5: Solve for x
x = 98,669,764,142.24/309,140.41 - Step 6: Final answer
x = 319,174.59
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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.