Finding the Fourth Proportional to 205,854.99, 284,045.58 and 120,988.41
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Solution
The fourth proportional to 205,854.99, 284,045.58 and 120,988.41 is: 166,943.84
Step by Step Solution
- Step 1: Write the proportion equation
205,854.99 : 284,045.58 = 120,988.41 : x - Step 2: Convert to fraction form
205,854.99/284,045.58 = 120,988.41/x - Step 3: Cross multiply
205,854.99x = 284,045.58 × 120,988.41 - Step 4: Simplify right side
205,854.99x = 34,366,223,091.73 - Step 5: Solve for x
x = 34,366,223,091.73/205,854.99 - Step 6: Final answer
x = 166,943.84
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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.