Finding the Fourth Proportional to 272,661.18, 408,977.43 and 83,116.99
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Solution
The fourth proportional to 272,661.18, 408,977.43 and 83,116.99 is: 124,671.11
Step by Step Solution
- Step 1: Write the proportion equation
272,661.18 : 408,977.43 = 83,116.99 : x - Step 2: Convert to fraction form
272,661.18/408,977.43 = 83,116.99/x - Step 3: Cross multiply
272,661.18x = 408,977.43 × 83,116.99 - Step 4: Simplify right side
272,661.18x = 33,992,972,959.54 - Step 5: Solve for x
x = 33,992,972,959.54/272,661.18 - Step 6: Final answer
x = 124,671.11
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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.