Finding the Fourth Proportional to 368,396.91, 508,449.87 and 213,325.65
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Solution
The fourth proportional to 368,396.91, 508,449.87 and 213,325.65 is: 294,425.38
Step by Step Solution
- Step 1: Write the proportion equation
368,396.91 : 508,449.87 = 213,325.65 : x - Step 2: Convert to fraction form
368,396.91/508,449.87 = 213,325.65/x - Step 3: Cross multiply
368,396.91x = 508,449.87 × 213,325.65 - Step 4: Simplify right side
368,396.91x = 108,465,399,010.17 - Step 5: Solve for x
x = 108,465,399,010.17/368,396.91 - Step 6: Final answer
x = 294,425.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.