Finding the Fourth Proportional to 369,494.66, 509,205.89 and 267,347.18
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Solution
The fourth proportional to 369,494.66, 509,205.89 and 267,347.18 is: 368,434.99
Step by Step Solution
- Step 1: Write the proportion equation
369,494.66 : 509,205.89 = 267,347.18 : x - Step 2: Convert to fraction form
369,494.66/509,205.89 = 267,347.18/x - Step 3: Cross multiply
369,494.66x = 509,205.89 × 267,347.18 - Step 4: Simplify right side
369,494.66x = 136,134,760,672.27 - Step 5: Solve for x
x = 136,134,760,672.27/369,494.66 - Step 6: Final answer
x = 368,434.99
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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.