Finding the Fourth Proportional to 221,004.72, 304,988.61 and 125,512.08
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Solution
The fourth proportional to 221,004.72, 304,988.61 and 125,512.08 is: 173,207.86
Step by Step Solution
- Step 1: Write the proportion equation
221,004.72 : 304,988.61 = 125,512.08 : x - Step 2: Convert to fraction form
221,004.72/304,988.61 = 125,512.08/x - Step 3: Cross multiply
221,004.72x = 304,988.61 × 125,512.08 - Step 4: Simplify right side
221,004.72x = 38,279,754,817.41 - Step 5: Solve for x
x = 38,279,754,817.41/221,004.72 - Step 6: Final answer
x = 173,207.86
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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.