Finding the Fourth Proportional to 221,001.72, 304,984.47 and 125,509.08
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Solution
The fourth proportional to 221,001.72, 304,984.47 and 125,509.08 is: 173,203.72
Step by Step Solution
- Step 1: Write the proportion equation
221,001.72 : 304,984.47 = 125,509.08 : x - Step 2: Convert to fraction form
221,001.72/304,984.47 = 125,509.08/x - Step 3: Cross multiply
221,001.72x = 304,984.47 × 125,509.08 - Step 4: Simplify right side
221,001.72x = 38,278,320,243.99 - Step 5: Solve for x
x = 38,278,320,243.99/221,001.72 - Step 6: Final answer
x = 173,203.72
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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.