Finding the Fourth Proportional to 221,442.07, 305,606.97 and 125,943.07
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Solution
The fourth proportional to 221,442.07, 305,606.97 and 125,943.07 is: 173,811.05
Step by Step Solution
- Step 1: Write the proportion equation
221,442.07 : 305,606.97 = 125,943.07 : x - Step 2: Convert to fraction form
221,442.07/305,606.97 = 125,943.07/x - Step 3: Cross multiply
221,442.07x = 305,606.97 × 125,943.07 - Step 4: Simplify right side
221,442.07x = 38,489,077,857.45 - Step 5: Solve for x
x = 38,489,077,857.45/221,442.07 - Step 6: Final answer
x = 173,811.05
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1.5x scale
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.