Finding the Fourth Proportional to 163,433.88, 244,929.36 and 84,603.45
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Solution
The fourth proportional to 163,433.88, 244,929.36 and 84,603.45 is: 126,790.53
Step by Step Solution
- Step 1: Write the proportion equation
163,433.88 : 244,929.36 = 84,603.45 : x - Step 2: Convert to fraction form
163,433.88/244,929.36 = 84,603.45/x - Step 3: Cross multiply
163,433.88x = 244,929.36 × 84,603.45 - Step 4: Simplify right side
163,433.88x = 20,721,868,862.29 - Step 5: Solve for x
x = 20,721,868,862.29/163,433.88 - Step 6: Final answer
x = 126,790.53
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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.