Finding the Fourth Proportional to 221,541.04, 305,725.02 and 120,939.04
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Solution
The fourth proportional to 221,541.04, 305,725.02 and 120,939.04 is: 166,894.99
Step by Step Solution
- Step 1: Write the proportion equation
221,541.04 : 305,725.02 = 120,939.04 : x - Step 2: Convert to fraction form
221,541.04/305,725.02 = 120,939.04/x - Step 3: Cross multiply
221,541.04x = 305,725.02 × 120,939.04 - Step 4: Simplify right side
221,541.04x = 36,974,090,422.78 - Step 5: Solve for x
x = 36,974,090,422.78/221,541.04 - Step 6: Final answer
x = 166,894.99
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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.