Finding the Fourth Proportional to 267,603.12, 369,289.26 and 154,423.44
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Solution
The fourth proportional to 267,603.12, 369,289.26 and 154,423.44 is: 213,102.59
Step by Step Solution
- Step 1: Write the proportion equation
267,603.12 : 369,289.26 = 154,423.44 : x - Step 2: Convert to fraction form
267,603.12/369,289.26 = 154,423.44/x - Step 3: Cross multiply
267,603.12x = 369,289.26 × 154,423.44 - Step 4: Simplify right side
267,603.12x = 57,026,917,884.25 - Step 5: Solve for x
x = 57,026,917,884.25/267,603.12 - Step 6: Final answer
x = 213,102.59
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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.